Epoxy Flooring Services in Key Largo
The gateway to the Florida Keys sits surrounded by water on every side, and that means concrete down here takes a beating that mainland floors never see. 343 Epoxy serves Key Largo and the Upper Keys with flooring systems engineered to survive salt exposure, tidal moisture, tropical storms, and the kind of relentless humidity that eats unprotected concrete from the inside out.
Mile Marker 106, Barely Above the Water
Key Largo sits at mile marker 106, barely above sea level, flanked by the Atlantic on one side and Florida Bay on the other. Concrete here doesn’t just deal with humidity, it lives in a perpetual cycle of salt spray, tidal moisture wicking up through slabs, afternoon storms that flood garage pads, and UV radiation that never lets up. Bare concrete in this environment deteriorates faster than anywhere on the Florida mainland.
Epoxy and sealed concrete systems are one of the few flooring solutions that actually thrive in these conditions. A properly installed coating blocks the moisture vapor that causes spalling and efflorescence, seals out salt intrusion, and creates a surface that cleans up quickly after storm surge or heavy rain events, a real consideration for properties this close to the water.
343 Epoxy reaches Key Largo via US-1 from our Miami-Dade headquarters. We’re familiar with the unique logistics of working in the Keys, tight access, island scheduling, and building requirements that differ from the mainland. No surprises, no shortcuts.
Dive Shops, Stilt Houses, Bayside Canals
Key Largo Residential
Single-family homes, stilt houses, carports, and enclosed garages throughout Key Largo proper. Flake epoxy and grind-and-seal systems protect ground-level concrete from the moisture and salt that define daily life on the island.
Dive Shops & Marinas
Key Largo is the dive capital of the world, and its marine businesses need floors that handle constant water, heavy equipment, and chemical exposure. Commercial epoxy and quartz broadcast systems keep these high-use spaces safe and functional.
Restaurants & Hospitality
From waterfront seafood spots to resort lobbies and vacation rental properties, Key Largo’s hospitality industry runs on floors that clean up fast and look good doing it. Metallic and decorative epoxy systems deliver both.
Tavernier & Islamorada
Our Upper Keys coverage extends south through Tavernier and into Islamorada. Same services, same quality, whether it’s a fishing charter headquarters, a boutique hotel, or a residential garage on one of the bayside canals.
Systems That Hold Up at Sea Level
Every system in our lineup is available in Key Largo and throughout Monroe County. Here’s what we install in the Keys.
Flaked Epoxy
The workhorse of Keys residential flooring. Vinyl chip epoxy seals your garage or carport slab against the constant moisture intrusion that plagues island concrete. Most garage floors take one to two days, depending on the system and what the slab needs.
Metallic Epoxy
Swirling, oceanic finishes that feel right at home in the Keys. Popular in vacation rental properties, waterfront restaurants, and homeowners who want a floor that captures the natural movement and depth of the water outside their windows.
Commercial Epoxy
Industrial-strength coatings for Key Largo’s dive shops, marine supply stores, charter boat operations, and restaurant kitchens. These floors take a pounding from wet foot traffic, dropped tanks, and aggressive cleaning, commercial epoxy handles all of it.
Grind & Seal · Quartz · Urethane Cement
Specialty solutions for Keys-specific challenges, UV-stable sealers for exposed outdoor concrete, slip-resistant quartz for wet commercial environments, and thermal-shock-resistant urethane cement for the island’s restaurant and food service kitchens.
Before We Drive Down US-1
What Key Largo homeowners and business owners ask us before booking a Keys installation.
01Do you really come all the way to Key Largo?
02Will epoxy hold up in the salt air environment?
03What if my garage floods during a storm?
04Can you coat outdoor concrete in the Keys?
05Do you serve the rest of the Keys beyond Key Largo?
06How do I get on the Keys schedule?
Google Reviews, Word for Word
“Zach and his team at 343 epoxy are professionals who go above and beyond for their customers. So happy with how my garage floor came out and everyone that comes over compliments me on it! Can’t go wrong if you are looking for quality epoxy work indoors or out.”
“The best. On schedule. So kind. Simply can’t ask for anything better. 10/10 service”
“Did a amazing job, and took care of everything from the beginning till end, really professional and highly recommend”
Put Key Largo on Our Next Trip South
Call 343 Epoxy and we’ll set a day to come look at the slab in Key Largo or anywhere in the Florida Keys. Systems spec’d for salt and storms, and a 5-year warranty on materials and installation.
Send Us the Slab Before the Next Storm
Send photos of the garage, carport, or shop floor. We’ll tell you what it needs and put a fixed number in writing once we’ve seen it in person.