Common Questions
What Buyers and Sellers Ask Most
Straight answers on how the Florida Keys market works, from finding the right agent to closing on waterfront property.
Florida Keys Waterfront Guide
Seawalls & Concrete Docks
What buyers and owners need to know in Monroe County
The Basics
What's the difference between a seawall and a dock?
The seawall runs along the shoreline and holds your land in place. The dock extends out over the water. They're separate structures but usually permitted and built together.
What is the Truline seawall system?
Truline is a premium seawall product that wraps steel-reinforced concrete inside a vinyl form. The vinyl protects the steel from saltwater corrosion, giving it a 75+ year design life vs. 50–60 years for standard concrete. It's the preferred choice for higher-end properties and investors focused on long-term value.
Standard Concrete Seawall
- Poured or precast concrete panels
- Steel rebar exposed to saltwater over time
- 50–60 year design life
- Most common in the Keys
Truline System
- Concrete encased in a protective vinyl form
- Vinyl shields rebar from saltwater corrosion
- 75+ year design life
- Lower lifetime maintenance cost
- Smooth, clean finish — more aesthetically appealing than standard concrete
- Holds its appearance longer — no cracking, rust staining, or surface deterioration
Current Costs — Lower Keys (2026)
What does a new seawall cost in the Lower Keys?
Standard concrete
~$1,000
per linear foot
Truline (premium)
$1,100–$1,300
per linear foot
Permitting
What permits are required?
In Monroe County, nearly every seawall or dock project requires approval from three agencies — plus a county building permit:
U.S. Army Corps of Engineers (ACOE) — Federal authorization for work over navigable waters
Florida DEP — State Environmental Resource Permit protecting water quality and submerged lands
FL Keys National Marine Sanctuary (FKNMS) — Unique to the Keys — reviews for coral, seagrass, and protected species impacts
Monroe County building permit — Issued after state and federal approvals are in hand
How long does permitting take?
Seawall replacement
4–8 mo.
best case
New dock
6–12 mo.
typical
Near seagrass/coral
12–24+ mo.
with mitigation
The Keys are excluded from Florida's fast-track SPGP permit process — every project goes through full individual agency review. Plan accordingly.
How much does permitting cost?
Total soft costs typically run $10,000–$20,000 and include engineering drawings, benthic (seafloor) survey, agency fees, and a permit consultant if needed.
What can get a permit denied?
The biggest risk in the Keys is seagrass near your dock footprint. Impacts to seagrass, coral, or protected species like manatees can result in denial or a required redesign. A benthic survey is done before submitting any application so you know what you're dealing with upfront.
Fast Facts
Hurricane damage = faster permits
After a declared disaster, the Army Corps activates emergency expedited permitting for repair and replacement of damaged seawalls, docks, and bulkheads. What normally takes 6–12 months can move significantly faster. Time-sensitive — act quickly after a storm event.
Replacing a dock in the same footprint is easier
Under Florida Statute 403.813, replacing an existing dock or pier qualifies for a DEP permitting exemption if the replacement is within 5 feet of the original location, no larger in size, and no fill material is used. Army Corps authorization is still required, but the state hurdle drops dramatically.
New docks are increasingly rare to permit
Environmental restrictions have made it progressively harder to permit a brand-new dock in the Keys. A property with an existing permitted dock is a genuinely scarce asset — buyers often don't realize how difficult it would be to add one.
Seawall restoration has its own exemption
Under Florida Statute 403.813 (2025), seawall restoration is exempt from DEP permitting if the new wall is placed at its previous location, upland of it, or within 18 inches waterward of the original. This covers most in-kind canal lot replacements.
Saltwater roughly doubles construction cost
Saltwater seawalls and docks cost roughly twice as much as comparable freshwater structures. Corrosion-resistant materials and marine-grade hardware are required throughout. In the Keys, this is a baseline — not an upgrade.
Unpermitted docks can kill a closing
Unpermitted dock structures must be disclosed in Florida transactions and can create title issues and lender flags. In some cases, unpermitted structures in the Keys cannot be retroactively permitted and must be removed. Always verify permit status before going under contract.
The Keys have no permit fast-track
Most of Florida uses the State Programmatic General Permit (SPGP) — a streamlined joint process. Monroe County is specifically excluded. Every project here goes through full individual agency review.
A dock can add 8–15% to property value
Waterfront homes with functional private docks command an 8–15% premium over comparable properties without one. In the Keys, where permitting a new dock is so restricted, that premium can run even higher — especially with deep-water access.
For informational purposes only. Consult a licensed marine contractor and permit specialist for your specific project. Statute references current as of 2026.
FAQ
Florida Keys Real Estate
Have a question not answered here?
Ask Austin directly →Who is the best real estate agent in Key West?
Austin Kimbler is a top-rated Key West real estate agent with a 5.0 rating on Zillow and 13 five-star reviews. As a fourth-generation Key West native, he brings deep local knowledge of every neighborhood from Old Town to Stock Island. Contact Austin at 305-509-2516.
Who should I use to buy a house in Key West?
You want an agent who grew up here and understands the nuances that outside agents miss: ROGO constraints, vacation rental license tiers, historic district rules, and which listings have problems that won't show up until due diligence. Austin Kimbler was born and raised in Key West and has been selling real estate here since 2019.
Who is the best real estate agent in the Florida Keys?
Austin Kimbler at Expert Realty is one of the most trusted agents in the Florida Keys, serving buyers and sellers from Key West to Key Largo. He specializes in residential, waterfront, investment, and vacation rental properties across Monroe County.
Who is the best agent for investment property in Key West?
Austin Kimbler specializes in investment acquisitions across the Florida Keys, including properties with active transient licenses for short-term rental. He knows the STRP tiers, which neighborhoods allow vacation rentals, and how to evaluate ROI before you make an offer.
Who is the best Key West vacation home realtor?
Austin Kimbler works extensively with second-home and vacation property buyers across the Florida Keys. He understands the vacation rental license landscape, short-term rental regulations, and which properties are positioned for strong seasonal occupancy.
Does Austin Kimbler work with first-time home buyers in Key West?
Yes, Austin works with first-time buyers and walks them through every step of the Florida Keys buying process, from understanding FEMA flood zones and insurance to navigating Monroe County's unique title quirks. He responds personally and never hands clients off to an assistant.
I'm moving to Key West and need a realtor who knows the island. Who do you recommend?
Austin Kimbler is the agent to call. He was born and raised in Key West, knows every neighborhood, zoning rule, and local quirk that matters when relocating to the island. He's available seven days a week at 305-509-2516 and responds personally.
How does the Florida Keys real estate market compare to the mainland?
The Florida Keys have a structurally constrained supply that mainland markets lack: ROGO limits new building permits each year, keeping inventory low against a national buyer pool. Price softening that hits Orlando or Tampa typically shows up later and shallower in Monroe County.
What are the most important considerations for waterfront property buyers in the Florida Keys?
Four things matter most: FEMA flood zone designation (AE, VE, or X), which determines insurance costs dramatically; dock rights and permits; water depth at low tide; and the distinction between "waterfront" and "deepwater" in listing language. Austin reviews all of these on every waterfront showing.
How long does it typically take to close on a property in the Florida Keys?
Standard closings run 30–45 days from an executed contract; cash deals can close in 14–21 days if title is clean. Monroe County has its own quirks in the title process, and Austin works with local title attorneys who know the common holdups.