Expert Plumbing Services in Marathon, Florida
In Marathon, every drop of tap water travels about 130 miles from the mainland through a single pipeline, per the Florida Keys Aqueduct Authority. That pipeline, the porous coral rock under every foundation, and salt air on every exposed pipe make island plumbing its own trade. Plumbing Pros is the plumbing team built for exactly these conditions.
(877) 401-2673Content last reviewed October 9, 2026
Plumbing in Marathon, Florida: What Island Life Demands
Plumbers in Marathon, Florida handle the problems island life creates. Salt air corrodes water heaters and fixtures. Hard source water arrives through 130 miles of pipeline run by the Florida Keys Aqueduct Authority. Homes connect to the city's vacuum sewer system, and water lines run out to docks and marinas. Houses here sit on porous limestone and face storm surge, so pipe and fixture choices differ from the mainland.
The water story is the first thing to understand. The Florida Keys Aqueduct Authority pumps treated water south through one long transmission main from its J. Robert Dean plant in Florida City. Booster stations along the way, including one in Marathon, keep pressure up for the long trip. The source is Biscayne aquifer groundwater, which the Aqueduct Authority describes as very hard, so the plant uses lime softening before the water heads down the Keys. A new reverse-osmosis plant on Crawl Key, proposed in the state's 2026-27 funding request, would add millions of gallons a day of backup supply for the Middle Keys.
Marathon itself is a chain of islands rather than one town. Vaca Key holds the main commercial corridor along the Overseas Highway, with Fat Deer Key, Grassy Key, Knight's Key, and Boot Key Harbor rounding out the city. Neighborhoods like Coco Plum and the Sombrero Beach area mix full-time homes with vacation rentals, while Little Venice's canal-front streets put houses right at the water's edge. Boot Key Harbor's well-known mooring field keeps dock plumbing in steady demand all year.
The housing stock shapes the work. Many homes are elevated on pilings or concrete block, built or rebuilt with storms in mind, and older waterfront cottages often still carry their original galvanized or cast-iron piping. Condos and vacation rentals add their own pattern of wear: fixtures that sit unused for weeks, then get hammered during a holiday turnover. Under all of it lies karst limestone, the porous coral rock a federal tracer study once showed can carry wastewater from a septic tank to open water in hours.
That geology is why Marathon built a citywide vacuum sewer system. So much local plumbing work involves tying a home's lateral into it or properly abandoning an old septic tank. Salt air shortens the life of water heaters, hose bibbs, and anything metal left outside. Because the water arrives from so far away at high pressure, regulation and leak detection matter more here than in most Florida towns. Good island plumbing starts from these facts, not from mainland habits.

A Plumbing Crew Shaped by the Keys
Island conditions first, trade craft second, in that order
- •We diagnose with instruments before cutting into anything, so the fix lands on the real problem.
- •You see the full scope in writing before work starts, and you approve it first.
- •We choose corrosion-resistant materials for anything salt air or sun will touch.
- •We know Marathon's vacuum sewer system and the city's connection sequence.
- •We translate anything technical into everyday language, and we answer your questions straight.
- •We test every repair under real water pressure before we call it done.
Professional Plumbing Services in Marathon, Florida
Trusted Plumbing solutions for residential and commercial properties, with clear communication and careful work.

Backflow Prevention Testing & Installation Near Me
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Backflow prevention keeps your drinking water safe by stopping reversed water flow from pulling contaminants back into your supply. Plumbing Pros installs the right backflow assembly for your hazard level and keeps it in compliance with scheduled annual testing.
- Backflow assembly installation matched to your hazard level
- Annual backflow testing with calibrated test gauges
- Repairs for failed, leaking, or damaged assemblies

Bathroom Plumbing Remodel Near Me
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Remodeling your bathroom means moving pipes, not just picking tile. Plumbing Pros relocates drains, sets shower and tub valves to finished tile depth, and reworks venting so every fixture drains quietly with steady pressure. Everything is planned from your fixture list before demolition starts.
- Drain relocation for tub-to-shower conversions
- Shower and tub valve rough-in set to finished tile depth
- Toilet flange resets and drain line rerouting

Bathtub Repair & Installation Near Me
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A bathtub is a one-way trip: once it is set and the surround closes, the drain, overflow, and leveling stay buried for a long time. Plumbing Pros repairs failing tubs and installs replacements the right way — set level, sealed tight, and tested under a full load before the walls close up.
- Leak diagnosis at the drain, overflow, and faucet connections
- Waste-and-overflow assembly replacement
- Drain shoe, stopper, and trip-lever rebuilds

Burst Pipe Repair Near Me
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A burst pipe can dump gallons of water into your home in minutes, soaking floors, walls, and belongings. This service stops the flow fast, cuts out the failed section of pipe, and installs solid new pipe so your system holds pressure again. We also check the pipe nearby for weak spots before we call the job done.
- Rapid shutoff and water control when we arrive
- Cut-out and replacement of the burst pipe section
- Matching pipe materials: copper, PEX, or CPVC

Commercial Plumbing Services Near Me
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Plumbing Pros keeps business plumbing running — backflow assemblies, grease traps, drains, and water heaters — with maintenance and repairs planned around your schedule. One plumbing partner for restaurants, offices, retail, and light industrial buildings.
- Backflow preventer testing, service, and certification
- Grease trap cleaning, repair, and replacement
- Commercial water heater installation and service

Crawl Space & Attic Pipe Protection Near Me
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Plumbing Pros protects the pipes you cannot see — sealing your crawl space and attic so cold air never reaches hidden supply lines. A plumber closes vents, seals drafts and gaps, insulates every exposed run, and adds heat cable where the cold hits hardest, so your plumbing rides out winter unnoticed.
- Foam sleeves sized and fitted to each exposed pipe run
- Fiberglass wrap and taped joints for elbows, valves, and fittings
- Self-regulating heat cable on runs facing the harshest cold

Dishwasher Installation & Hookup Near Me
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A new dishwasher only performs as well as its connections. We install and hook up your dishwasher with a fresh supply line, a properly routed drain, and a full test cycle before we leave. One call handles the whole job.
- Braided stainless steel supply lines
- New quarter-turn shutoff valve at the sink
- Drain protection with air gap or high loop

Drain Cleaning Near Me
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Slow drains, gurgling fixtures, and clogs that keep coming back all point to buildup inside the pipe. Plumbing Pros clears kitchen, bathroom, laundry, and main drains with cable machines matched to the job - and tests every fixture before leaving.
- Drain cable machines matched to pipe size and blockage type
- Sewer camera inspections to find the cause of repeat clogs
- High-pressure water jetting for heavy grease and sludge buildup

Emergency Plumbing Repair Near Me
Starting at: Call for pricing
When a pipe bursts or sewage backs up, Plumbing Pros answers with a live dispatcher and a plumber carrying a stocked truck. Damage is contained first, then the failed section is rebuilt with fittings matched to your pipes, tested, and cleaned up.
- Live dispatcher answers and gathers the details that shape the repair
- Stocked truck carries pipe, fittings, and tools for common emergency failures
- Damage is contained first — water stopped before the repair begins

Faucet Installation Near Me
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Plumbing Pros removes your old kitchen or bathroom faucet and installs the new one the right way. We check the fit, seal the base, connect new supply lines, and test for leaks.
- Compatibility check first: hole spacing, deck thickness, and valve fit measured before installation
- Old faucet removed and the mounting surface cleaned and prepped
- New braided supply lines connected on every standard installation

Faucet Repair Near Me
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A dripping faucet wastes water and patience in equal measure. Plumbing Pros repairs kitchen, bathroom, laundry, and outdoor faucets — tracking down worn washers, cartridges, and seals so the drip stops and the handle turns like it should.
- Pinpoint diagnosis of the exact failed part before any work begins
- Repair of compression, cartridge, ball, and ceramic-disc faucets
- Exact-match washers, O-rings, cartridges, and seal replacements

Frozen Pipe Thawing & Repair Near Me
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A faucet that runs dry on a freezing morning usually means a section of water pipe has turned to ice. Plumbing Pros thaws frozen pipes with controlled, flame-free heat, finds any split the ice left behind, and repairs it on the spot. The line is then insulated or fitted with heat cable so the next cold snap does not shut it down again.
- Controlled, flame-free thawing, working from the faucet back to the ice
- Full-run inspection for splits, cracked fittings, and weeping joints after the thaw
- On-the-spot cutting and replacement of burst pipe sections

Garbage Disposal Installation Near Me
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Plumbing Pros installs and replaces garbage disposals, sizing motor power and grind stages to how your kitchen actually gets used. Each visit covers the sink flange, mounting ring, drain hookup, dishwasher connection, and safe wiring on a switched circuit. You get a full leak test before we leave, plus plain advice on what the unit handles so clogs and odors stay away.
- New installs and full replacements handled in one visit
- Unit sizing matched to cooking habits and household size
- Safe wiring on a switched circuit, checked for code

Garbage Disposal Repair Near Me
Starting at: Call for pricing
A garbage disposal that hums, jams, or leaks turns a quick cleanup into a stalled sink. Plumbing Pros sends a local plumber who finds the real cause, from a stuck flywheel to a failed seal, and fixes what can be fixed or replaces what cannot. Describe the sound your unit makes, and you will know your options before any work starts.
- Jam and obstruction clearing that protects the grind chamber
- Motor, switch, reset button, and wiring checks at the unit
- Leak tracing at the sink flange, drain line, and dishwasher hookup

Gas Line Installation & Repair Near Me
Starting at: Call for pricing
Plumbing Pros installs and repairs residential gas lines for natural gas and propane. Every run is sized to the appliance load, sealed to code, and pressure-tested before it goes live. Need a new line for a range, dryer, or outdoor kitchen — or a repair on an existing run? This page walks through how the work gets done.
- New gas line runs for ranges, dryers, fireplaces, and outdoor grills
- Leak detection with electronic sniffers and pressure testing
- Repair of faulty joints, valves, and connectors

Hydro Jetting Near Me
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A drain snake punches a hole through a clog. Hydro jetting scrubs the entire pipe wall clean with high-pressure water, flushing grease, scale, soap, and root hairs out of the line. Plumbing Pros inspects the pipe on camera first, matches the pressure and nozzle to your line, and verifies the result with a final camera check. Ask whether jetting is the right fix for your repeat drain clogs.
- Camera inspection before jetting to confirm the pipe is sound
- Pressures up to about 4,000 PSI, matched to the pipe and blockage
- Rear-facing nozzles that scrub the full circumference of the pipe wall

Ice Maker Water Line Installation Near Me
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Ice maker water line installation from Plumbing Pros replaces risky saddle valves with a proper tee, a dedicated shutoff, and a protected 1/4-inch run to your refrigerator. We use copper, PEX, or braided stainless with compression or soldered fittings, then pressure-test every joint before the fridge goes back. The result is steady water for ice and the dispenser, without the slow leaks that ruin kitchen floors.
- Proper tee fitting cut into the cold supply line
- Dedicated refrigerator shutoff valve on its own branch
- Copper, PEX, or braided stainless 1/4-inch tubing

Kitchen Plumbing Remodel Near Me
Starting at: Call for pricing
A kitchen plumbing remodel from Plumbing Pros rebuilds the water, drain, vent, and gas piping around your new layout — measured against your cabinet drawings, not guesses. We rough in supply lines, slope drains, size vents, and relocate gas connections so every fixture, appliance, and island lands exactly where your designer put it. The result is a kitchen that works as well as it looks, with shutoffs you can reach and plumbing hidden neatly behind the finishes.
- Rough-in plumbing mapped to your cabinet drawings before demolition
- Island and peninsula sink supply, drain, and vent routing
- Gas line relocation sized for your new cooking layout

Laundry Room Plumbing Near Me
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Laundry rooms ask more of plumbing than almost any space in the house: fast fills, full-speed pump-outs, and hot water on demand. Plumbing Pros designs, installs, and repairs laundry plumbing so washers drain cleanly, shutoffs stay easy to reach, and small problems never get the chance to become flooded floors.
- Washer hookup installation for new machines, replacements, and laundry relocations
- Standpipe height, diameter, trap, and venting matched to your washer's spec
- Hot and cold supply lines with reachable quarter-turn shutoff valves

Leak Detection Near Me
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A hidden leak almost never shows itself where it starts. Plumbing Pros tracks it to the exact source with acoustic listening, thermal imaging, and moisture meters. Everything is marked and documented, so the repair crew opens a single, certain area instead of searching through your walls and floors.
- Acoustic listening equipment that hears water escaping through pipe walls
- Thermal imaging cameras that show temperature shifts from hidden moisture
- Pinpoint moisture meters that map damp areas without opening walls

Main Water Line Repair Near Me
Starting at: Call for pricing
The main water line carries every drop from the street meter to your house. When that pipe cracks or corrodes, the leak hides underground while the meter keeps running. We confirm the leak, pinpoint the break with listening equipment, and repair the failed section through one small excavation.
- Leak confirmed first with a simple meter test
- Acoustic listening pinpoints the break before any digging
- One targeted excavation instead of a full trench

Main Water Line Replacement Near Me
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When pressure is low at every fixture, water runs rusty, or the service line has already been fixed more than once, the pipe itself is finished. Plumbing Pros replaces the main water line from meter to house with new pipe, so clear water and steady pressure return for good.
- Full meter-to-house pipe replacement, not another patch
- Copper or approved polyethylene pipe matched to code and soil
- Pressure readings at the meter and inside before any work is planned

Outdoor Faucet & Hose Bibb Services Near Me
Starting at: Call for pricing
Plumbing Pros repairs, replaces, and winterizes outdoor faucets and hose bibbs — the wall-mounted valves that feed your garden hose, sprinklers, and pressure washer. From a dripping washer to a burst frost-proof sillcock, we fix every failure point so water flows outside your home without damaging anything.
- Leak diagnosis at the spout, stem, and wall connection
- Washer, seat, packing, and O-ring replacement on site
- Frost-proof sillcock upgrades with interior shutoff seats

Pipe Insulation Services Near Me
Starting at: Call for pricing
Plumbing Pros wraps exposed water lines in the right insulation so hot water stays hot and cold lines stay dry. Foam sleeves, fiberglass wrap, and heat cable are matched to each run, from the meter to the fixture. One visit covers every exposed line in the home.
- Closed-cell foam sleeves sized for straight copper and PEX runs
- Fiberglass wrap with vapor jackets for elbows, tees, and valves
- Self-regulating heat cable for the coldest exposed sections

Pipe Leak Repair Near Me
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A pipe leak is found, opened up, and fixed at the source — the failed section is cut out and rebuilt to match your system, then pressure-tested. Plumbing Pros handles visible drips and hidden leaks inside walls, ceilings, slabs, and floors. Every joint is tested before the job is done.
- Pinpoint leak location before any walls are opened
- Copper, PEX, CPVC, and galvanized pipe repair
- Soldered, press-fit, crimp, and solvent-weld joints

Reverse Osmosis Drinking Water Systems Near Me
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A reverse osmosis drinking water system is a compact, multi-stage unit that fits under the kitchen sink and delivers highly purified water through a dedicated faucet. Tap water passes sediment and carbon pre-filters, then a semipermeable membrane that rejects the dissolved solids behind off tastes and odors. Plumbing Pros installs, services, and maintains these systems so every glass tastes clean.
- Sediment pre-filter that blocks grit, silt, and rust before water reaches the carbon stage
- Carbon pre-filter that strips chlorine before it reaches the membrane
- High-rejection RO membrane that blocks dissolved solids, lead, and fluoride

Sewage Ejector Pump Services Near Me
Starting at: Call for pricing
Any bathroom, laundry room, or wet bar below the main sewer line needs a lift. Plumbing Pros installs, replaces, and services sewage ejector pump systems that move wastewater up to your sewer lateral. We size the basin and pump to your fixtures and explain every step in plain language.
- New ejector pump installation for basement remodels and additions
- Full pump replacement when the old unit burns out or fails
- Float switch, check valve, and discharge line repairs

Sewer Camera Inspection Near Me
Starting at: Call for pricing
A sewer camera inspection is a live video look inside your sewer line — no digging required. Plumbing Pros runs a waterproof camera through the pipe from the house to the city main, showing exactly where roots, cracks, bellies, or blockages sit. You watch the same screen and keep the recording, so every repair decision comes from evidence, not guesswork.
- Waterproof self-leveling camera on a flexible push rod
- Live footage on a monitor you watch alongside the technician
- Surface locator that marks each problem's position and depth

Sewer Line Repair Near Me
Starting at: Call for pricing
A sewer line repair fixes the buried pipe that carries wastewater from your home out to the municipal main. Plumbing Pros starts with a video camera inspection, so the work targets the actual break, root mass, or sag — not your whole yard. Repairs range from spot fixes to trenchless pipe bursting and cured-in-place lining, each matched to what the camera found.
- Video camera inspection that locates the exact point of damage
- Trenchless pipe bursting that pulls a new line through the old one
- Cured-in-place lining that seals cracks inside the existing pipe

Sewer Line Replacement Near Me
Starting at: Call for pricing
When a sewer line keeps backing up despite repeated cleanings, the pipe itself has usually failed: bellies holding standing water, root-packed joints, or sections that have collapsed. Plumbing Pros replaces the full line from the house to the connection with new pipe set at the correct slope and sealed against roots. A final camera video documents the finished work.
- Camera video inspection that maps the line's path, depth, and every defect before any digging starts
- Trenchless replacement options, including pipe bursting and cured-in-place lining, wherever the line's condition allows
- Open-trench replacement with correct slope, bedding, and compaction for collapsed or badly misaligned pipe

Shower Repair & Installation Near Me
Starting at: Call for pricing
A dripping showerhead wastes water and wears out the valve behind the wall. Plumbing Pros fixes the plumbing side of showers — valves, cartridges, diverters, supply lines, and drains — and handles full shower installs for remodels and new construction. Valve repairs are usually completed in one visit, and new installs get pressure-tested before the walls close.
- Pressure-balancing and thermostatic shower valve repair
- Cartridge, seal, and gasket replacement matched to your valve brand
- Tub-spout and shower-arm diverter repair and replacement

Sink Repair & Installation Near Me
Starting at: Call for pricing
A leaking sink quietly damages cabinets long before you ever see water on the floor. Plumbing Pros repairs strainers, traps, and drain assemblies — or installs a brand-new sink matched to your countertop. Every job ends with a full-basin release test, so the drains run quiet and the cabinet stays dry.
- Strainer basket resealing and replacement
- P-trap, tailpiece, and drain assembly repair
- Pop-up drain and disposal flange rebuilds

Slab Leak Repair Near Me
Starting at: Call for pricing
A slab leak is a pressurized water line leaking beneath your home's concrete foundation. Plumbing Pros pinpoints hidden slab leaks with acoustic listening equipment and thermal imaging, then fixes them with a targeted spot repair or an overhead reroute. You get an exact location, a clear set of options, and a repair completed with minimal disruption to your home.
- Acoustic listening equipment that hears leak noise through concrete
- Thermal imaging cameras that map hot-water leak paths under floors
- Pressure and isolation testing to confirm the leak before any repair

Smart Water Leak Detectors Near Me
Starting at: Call for pricing
Smart water leak detectors catch leaks where they start -- under sinks, behind the washing machine, and around the water heater -- and alert your phone the second water appears. Plumbing Pros sets up wireless sensors for your risk spots and can add an automatic shutoff on the main water line that stops the flow even when nobody is home.
- Wireless floor sensors with metal contacts that trigger on first contact with water
- Audible alarm on each sensor plus instant phone alerts that name the exact location
- Optional whole-home flow monitor installed inline on the main water line

Sump Pump Discharge Freeze Protection Near Me
Starting at: Call for pricing
Sump pump discharge freeze protection keeps the pipe between your sump pit and the yard open through hard freezes, so groundwater leaves instead of backing into your basement. Plumbing Pros re-pitches the line so it drains fully, insulates exposed sections, and adds a freeze-relief escape fitting near the foundation. A plumber also checks the pump, float switch, and check valve during the same visit.
- Full walk-through of the discharge run, from pit to yard outlet
- Re-sloping so the pipe empties fully after every pump cycle
- Foam insulation wrapped on exposed and above-ground sections

Sump Pump Installation Near Me
Starting at: Call for pricing
When heavy rain or a rising water table pushes water toward your foundation, Plumbing Pros designs and installs complete sump pump systems for basements and crawlspaces. We dig the pit to the right size for your soil, match the pump to your real inflow, and route discharge far from the house. Every system is wet-tested before we leave, with battery backup options for storm outages.
- Pit and basin dug to match your soil and inflow
- Pump sized to real water volume, not guesswork
- Check valve fitted on every discharge line

Sump Pump Repair & Maintenance Near Me
Starting at: Call for pricing
Plumbing Pros repairs failing sump pumps and keeps healthy ones running strong with thorough maintenance visits. We find the real cause: stuck floats, bad check valves, clogged intakes, worn impellers, or electrical faults. Then we test the whole system under load so your basement stays dry.
- Float-switch testing through full on/off pump cycles
- Check valve inspection and discharge line flow checks
- Pit cleaning with intake and impeller debris removal

Tank Water Heater Installation Near Me
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A tank water heater installation replaces your old storage tank with a new gas or electric unit sized for your home's hot water use. Plumbing Pros handles removal of the old unit, code-compliant hookup, venting, and testing — so you get steady hot water without the guesswork.
- Gas and electric tank units installed
- Tank sizing based on your household's hot water demand
- Removal and haul-away of the old unit

Tankless Water Heater Installation Near Me
Starting at: Call for pricing
When the morning showers turn cold, the tank has run out — a tankless water heater solves that by heating water only the moment a tap opens. Plumbing Pros sizes, installs, and vents gas and electric tankless units for homes and small businesses. Every install includes isolation valves for easy future descaling and a full walkthrough of your new system.
- Whole-home sizing based on simultaneous hot-water demand
- Gas and electric tankless unit installation
- Venting and exhaust routed safely through the structure

Toilet Installation & Replacement Near Me
Starting at: Call for pricing
A cracked tank, a rocking base, or a tired flush can all mean it's time for a new toilet. Plumbing Pros installs and replaces toilets of every common style — measuring the rough-in, repairing the flange when needed, and setting the new unit on a fresh seal. Every connection gets tested before the job is done, so your new toilet works the way it should from the first flush.
- Rough-in measurement and correct toilet sizing for your drain
- Closet flange inspection, repair, or replacement
- Fresh wax ring or wax-free seal with every installation

Toilet Repair Near Me
Starting at: Call for pricing
A toilet that runs nonstop, rocks on its base, or needs two flushes to do the job is telling you something is wrong inside. Plumbing Pros finds the actual cause — worn flapper, faulty fill valve, failing seal, or deep clog — and repairs it with quality parts, usually in a single visit. When the toilet itself is past saving, we say so plainly instead of selling you parts it does not need.
- Running toilet diagnosis and repair
- Flapper and fill valve replacement
- Rocking toilet reset and resealing

Trenchless Sewer Repair Near Me
Starting at: Call for pricing
Trenchless sewer repair fixes a cracked, root-filled, or corroded sewer line without digging up your yard. Our plumbers work through small access points to reline the pipe from the inside or pull a brand-new pipe through the old one. Most households are back to full service quickly, with driveways, patios, and landscaping left untouched.
- Cured-in-place pipe (CIPP) lining
- Pipe bursting full replacement
- High-definition sewer camera inspection

Water Heater Maintenance & Flushing Near Me
Starting at: Call for pricing
Popping or rumbling from your water heater means sediment is building up across the tank bottom. Plumbing Pros drains and flushes the tank, inspects the anode rod, and tests the relief valve and burner or elements during a scheduled maintenance visit. It is the routine care that keeps hot water quiet, efficient, and dependable.
- Full tank drain and sediment flush
- Anode rod inspection for wear
- Temperature-and-pressure relief valve test

Water Heater Repair Near Me
Starting at: Call for pricing
Most water heater problems are fixable. Plumbing Pros diagnoses the real fault in gas and electric tank heaters — elements, thermostats, thermocouples, gas valves, anode rods — and repairs what is worth repairing. When the tank itself has failed, we say so plainly and explain your replacement options.
- Full diagnostic to pin down the actual fault
- Heating element and thermostat testing and replacement
- Gas ignition chain and control valve troubleshooting

Water Pressure Regulator Services Near Me
Starting at: Call for pricing
A water pressure regulator (also called a pressure reducing valve) sits on your main water line and holds incoming street pressure at a safe, steady level your fixtures can handle. When the valve wears out, pressure spikes hammer pipes, toilets run on their own, and relief valves start dripping. Plumbing Pros tests, adjusts, and replaces regulators so your plumbing runs at the pressure it was built for.
- Gauge testing at hose bibs and fixtures to read your true pressure
- Precision adjustment of an existing regulator to a safe setpoint
- Full regulator replacement, sized to your main line and demand

Water Softener Installation & Service Near Me
Starting at: Call for pricing
Hard water leaves scale on fixtures, spots on dishes, and dry skin behind — a water softener removes the minerals causing it before they reach your taps. Plumbing Pros tests your water, sizes the right system for your home, and installs the complete setup with a bypass valve and a proper drain for regeneration. We also service existing softeners, from resin cleanings and valve rebuilds to salt-bridge removal that gets tired systems working again.
- On-site water testing for hardness, iron, and other water conditions
- System sizing based on your actual water chemistry and household use
- Salt-based softeners with resin tank, brine tank, and control valve

Well Pump Repair & Installation Near Me
Starting at: Call for pricing
When your well pump quits, the whole house feels it — weak showers, slow-filling appliances, or no water at all. Plumbing Pros diagnoses well pump, pressure tank, and switch problems methodically, then repairs the failed part or installs a properly sized replacement so you get steady pressure and an honest answer about repair versus replacement.
- Well pump diagnosis with pressure and electrical testing
- Submersible and jet pump repair
- Well pump replacement sized to your well and household demand

Whole-Home Plumbing Winterization Near Me
Starting at: Call for pricing
Plumbing Pros prepares your entire plumbing system for winter: every supply line drained, every trap treated, and hose bibs, irrigation, and the water heater protected. One methodical visit, one written record of every valve position, and a home that can sit safely through the deepest freeze. Ideal for vacant homes, vacation properties, and any house facing a hard cold snap.
- Full-system drain-down of every supply line and fixture
- Compressed-air clearing of low spots and long runs
- Non-toxic antifreeze treatment for traps and toilet bowls

Whole-House Repiping Near Me
Starting at: Call for pricing
When pinhole leaks, brown water, and fading pressure keep returning, the pipe itself is the problem. Plumbing Pros replaces the whole failing supply system with new copper or PEX, working in stages so your household stays on water. You get an honest assessment first, and a plan that fits your home.
- Complete supply-line replacement: every water line in the home, not just the leaking runs
- Copper or PEX — you pick the material with guidance on the real trade-offs
- Staged installation with water restored before each evening

Whole-House Water Filtration Systems Near Me
Starting at: Call for pricing
A whole-house water filtration system treats water at the point where it enters your home, so every tap, shower, and appliance draws filtered water instead of just the kitchen sink. Plumbing Pros tests your water on site first, then sizes and installs equipment matched to your home's flow and your water's actual makeup.
- On-site water testing before any equipment is recommended
- Point-of-entry systems sized to your household's peak flow
- Sediment pre-filters paired with carbon media tanks

How we work, in plain terms
Plumbing Problems That Hit Marathon Homes Hardest
Water heaters aging fast in salt air
Heat, humidity, and salt air shorten water heater life in the Keys, and sediment from the supply settles in the tank over time. The early warnings are familiar: rusty-tinted hot water, a rumbling tank, or hot water that runs out sooner than it used to. Regular flushing and anode-rod checks catch the decline before a tank fails outright. When replacement is the honest answer, we size the new unit for the household's real hot-water demand and the space it has to live in.
Corroded hose bibbs and exterior fixtures
Outdoor faucets take the worst of the Keys climate: salt spray, blazing sun, and rain that never fully dries. The result is frozen handles, dripping spouts, and green corrosion crusting the valve body. A leaking hose bibb wastes water every day and can stain siding or pool around the foundation. Replacing it with a corrosion-resistant bibb and a proper shutoff inside solves the drip and buys years of outdoor use without another service call.
Sewer lateral trouble where septic meets the city system
Many Marathon properties are moving from old septic tanks and cesspits onto the city's vacuum sewer, and the lateral between the house and the connection point is where problems hide. Roots, bellies, and collapsed sections in old pipe show up as slow drains or sewage smells after heavy rain. A sewer camera inspection shows the pipe's true condition before anyone digs. We repair or replace failing laterals and coordinate the connection steps the city's wastewater process requires.
Hard-water scale on fixtures and appliances
The Biscayne aquifer water that feeds the Keys starts out very hard, and even after the Aqueduct Authority's lime softening, mineral content can leave its mark. Scale crusts on showerheads and faucet aerators, spots glass, and shortens the life of dishwashers and ice makers. A water test tells you what is actually in your supply. From there, a softener or reverse-osmosis drinking-water system can protect the fixtures and appliances you already own.
Dock supply lines split by sun and movement
Water run out to a dock lives a hard life: ultraviolet sun, salt spray, and the constant flex of a floating or piling-mounted run. Cheap pipe gets brittle and splits, fittings work loose, and a slow leak at the dock can run for weeks unnoticed. We replace failed runs with pipe and supports chosen for marine exposure, add accessible shutoffs, and route the line so it survives both storms and daily boat traffic.
Storm-season water pushing back through low drains
Heavy tropical rain and storm surge raise the water table fast on these low islands, and the lowest drains in a house feel it first. Floor drains, outdoor showers, and below-grade bathrooms can burp sewer gas or back up when the system is overwhelmed. Backwater valves, sewage ejector pumps, and knowing where your main shutoff sits turn a scary night into a manageable one. We install and service that protection before the season that tests it.
Your Service Visit, Step by Step
Say what you are seeing
Start with the symptoms in your own words: the gurgle, the stain, the bill that jumped. We ask pointed follow-up questions about when it started and what changed. The more specific your description, the faster we narrow the search. Photos of the problem area help too, if you have them.
Pin down the cause with instruments
Guessing is expensive on coral rock, so we measure first. Acoustic listening finds hidden leaks, sewer cameras show the inside of a lateral, and pressure tests confirm what the ears and eyes suggest. You get a diagnosis based on evidence, not hunches.
Approve the scope in writing
Before any work begins, you get a written description of exactly what will be done and what is included. No vague line items, no surprises mid-job. If the diagnosis uncovers something extra, the scope gets updated in writing first. You sign off, and only then do the tools come out.
Repair with parts rated for the Keys
We do the work with fittings, fixtures, and pipe chosen for salt air, sun, and high supply pressure. Where the city requires a permit or an inspection step, sewer connections especially, we follow that sequence so nothing has to be redone.
Run water and prove it
Every repair gets tested under real water pressure, and every affected fixture gets run and checked. We walk you through what was done and what to watch for. The job is finished when the water runs right, not when the invoice prints.
What to Expect Working With Us
"Our water heater was only a few years old and already rumbling. They showed me the sediment they flushed out, explained why the salt air was eating the fittings, and replaced it with one set up for these conditions. Hot water has been steady ever since."
"A guest reported a slow tub drain on a Friday and I braced for a ruined weekend. They camera-checked the line, found the real blockage past the trap, and cleared it the same visit. The written scope before they started meant no argument about the bill later."
"The water line to my slip had split twice in two years with the sun and the dock movement. They reran it with proper supports and a shutoff I can actually reach. Two storm seasons later it is still holding."
Serving the Islands of Marathon and 33050
Our work covers the full chain of islands that make up Marathon, starting on Vaca Key where the Overseas Highway corridor holds most of the city's homes and businesses. From there we reach west to Knight's Key at the foot of the Seven Mile Bridge. We head east across Fat Deer Key to Grassy Key, including the Coco Plum neighborhoods and the canal-front streets of Little Venice. Boot Key Harbor's marinas and mooring field get the dock-side plumbing they need, from slip supply lines to shoreside hookups. The Sombrero Beach area mixes full-time homes with vacation rentals, and that blend keeps us busy with water heaters, fixture swaps, and leak calls. Coral rock, salt air, and one long water pipeline shape every job on every one of these islands, so we plan each visit around that reality rather than mainland habits. Don't see your ZIP code? Call (877) 401-2673 and we'll confirm coverage.
Service Areas by ZIP Code
We provide professional Plumbing services in the following ZIP codes
Don't see your ZIP code? Contact us to verify service availability in your area.
Local Weather Risk
Monroe County has recorded the following severe weather events since 2015, per NOAA's National Centers for Environmental Information:
- Tornado13 recorded events (2016–2024)
- Flood11 recorded events (2015–2024)
- Thunderstorm Wind10 recorded events (2015–2024)
Source: NOAA NCEI Storm Events Database.
Frequently Asked Questions

Plumbing Service Area in Marathon, Florida
We provide fast and reliable Plumbing services throughout Marathon and surrounding areas. Call us about emergency repairs and installations and we will explain the next steps.
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