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Seawall Repair in Key Largo, FL

Key Largo is unincorporated Monroe County, so the county's code governs your seawall: existing walls can be repaired or replaced, but new walls on open water are not allowed.

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Quick Answer

Seawall Repairs by Solid Foundations provides seawall repair in Key Largo, FL for canal-front homeowners, dive and fishing businesses, and waterfront HOAs. Typical projects include void fill behind Irma-damaged canal walls, cap repair near dock tie-ins, and riprap at the toe under county rules. Call 866-398-9323 or use the quote form to book a free on-site inspection.

Key Largo is in the Upper Keys, about 25 miles from Homestead. It isn't a city. It's an unincorporated community in Monroe County that shares its island with Tavernier and North Key Largo. Offshore is John Pennekamp Coral Reef State Park, which opened in 1963 as the first undersea park in the United States. Next to a reef like that, seawall work gets federal attention. Key Largo is served by our Miami seawall repair team, the closest hub up U.S. 1, which plans crews and permits for the Upper Keys.

What Did Irma Leave Behind in Key Largo?

The National Hurricane Center surveyed a high-water mark of 4.11 feet above ground in Key Largo. Inundation ran 4 to 6 feet across the Middle and Upper Keys. Monroe County reports that all 513 Keys canals were affected to some degree, with about 100,000 cubic yards of debris estimated in the water.

That kind of event leaves walls standing but hollow. Surge soaks the fill, then drains back through the joints and pulls sand out. Years later, owners see a sinking yard or a dock that tilts toward the wall.

What Does Monroe County Allow for Key Largo Seawalls?

Monroe County's Land Development Code, Section 118-12(k), applies to unincorporated Key Largo:

  • No new seawalls, bulkheads, or hardened vertical structures on open water.
  • Existing, deteriorated walls may be repaired or replaced, keeping the footprint as far as practicable.
  • Riprap at the toe of solid seawalls wherever feasible.
  • State and/or federal permits are required before the county building permit.

On top of that, the Florida Keys National Marine Sanctuary requires NOAA authorization and a benthic resource survey for shoreline work that may affect corals. The state's exemption in Fla. Stat. 403.813(1)(e) covers restoring a wall in place or within 18 inches waterward.

Which Repairs Keep a Key Largo Wall in Service?

Since new walls on open water aren't allowed, keeping the wall you have is valuable.

Does My Key Largo Dock Affect the Wall Repair?

Often. Florida's Keys dock rule (F.A.C. 18-21.0041) caps private docks at 4 feet wide and terminal platforms at 160 square feet over state lands. If a dock must come off for wall work, it has to go back within those limits. We plan the wall and dock work together.

Where Does Key Largo Fit in the Keys?

Just south, the Village of Islamorada seawall repair runs under the village's own code instead of Monroe County's. In the Middle Keys, Marathon seawall repair is another separate city. Down in the Lower Keys, Big Pine Key seawalls share Key Largo's county code and took Irma's highest surge.

Request a free inspection or call 866-398-9323. Licensed in Florida (CBC1267322), serving FL, GA, and SC since 1996.

Seawall Repair FAQs: Key Largo

Is Key Largo a city with its own building department?

No. Key Largo is unincorporated Monroe County, so the county issues permits and its land development code governs seawalls.

Can I put a new seawall on my Key Largo bayfront?

Not on open water. Monroe County bars new seawalls and bulkheads there. Existing, lawfully built walls can be repaired or replaced.

Why might a Key Largo seawall repair need NOAA approval?

Key Largo is inside the Florida Keys National Marine Sanctuary. Shoreline work that may affect corals needs NOAA authorization and a benthic survey.

My Key Largo yard is sinking behind the wall years after Irma. What happened?

Irma's surge soaked the fill and then drained back through the wall's joints, carrying sand with it. The hollow has grown slowly since. Void fill and joint sealing usually fix it. ---

What Seawall Services Are Available in Key Largo?

Areas We Serve Near Key Largo

In addition to Key Largo, our licensed seawall repair team serves these nearby Florida communities:

Key Largo โ€” Free Inspection

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Service Area: Blackwater Sound and the Florida Bay

We serve all waterfront properties on Blackwater Sound and the Florida Bay and surrounding canals, lakes, and waterways.

Nearby Areas We Serve

Seawall Repairs by Solid Foundations also serves these waterfront communities near Key Largo:

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Licensed, insured, NCFI-certified. Serving Florida, Georgia & South Carolina since 1996.

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