Buying a waterfront home in Miami

A condominium hands you one document that answers most of the questions: the declaration. A waterfront house hands you nothing. The flood elevation is county, the seawall standard is municipal, the dock is four agencies deep, the ground under the dock may belong to the state, the bridge between you and open water is federal, and if the house sits in a historic district a preservation board decides what you may do to it. Every one of those bodies publishes its own piece and none of them publishes the sequence. This is the sequence.

Published September 6, 2026

This site was built on condominiums, where the recorded declaration governs and the association enforces. Houses work differently, and the difference is not that there are fewer rules. It is that the rules are scattered across seven authorities, each of which documents only its own link in the chain.

What follows is the order the questions actually bite, with the body that answers each one named. Where a page exists it is linked; where it does not, this page says so rather than pretending.

1. The parcel, before anything else

The Miami-Dade Property Appraiser publishes, free and instantly, the thirteen-digit folio number that is the key to everything else — with ownership, sales history, assessment and taxable value, building sketches, and current and prior-year aerial imagery, searchable by address, owner, folio or subdivision. The Appraiser's own site notes that its data may not reflect the most current information on record, which is the right caveat to carry into any conversation about it.

This is the single-family equivalent of pulling the declaration, and unlike a declaration it is public, immediate and costs nothing.

2. Flood elevation, and the rule that turns a renovation into a rebuild

An elevation certificate documents how high the house sits relative to its flood zone. Miami-Dade's Regulatory and Economic Resources department has required them for new construction, substantial improvements and substantially damaged structures since 1995, and the county runs a searchable public database of certificates for homes built after that date.

Two consequences a buyer should hold before offering. A house built before 1995 with no substantial improvement since usually has no certificate at all, and getting one means hiring a surveyor. And the fifty percent rule: where damage or improvement exceeds half the structure's market value, the house must be brought up to current elevation requirements. That converts an ambitious renovation plan into an elevation project, and it is decided by a threshold rather than by a negotiation.

3. The seawall, which is yours

Private property owners are responsible for their own seawalls. In the City of Miami Beach the standard adopted in January 2021 sets new seawalls at a minimum of 5.7 feet NAVD, or 4.0 feet NAVD where designed to support future elevation to 5.7. The trigger is a threshold: a repair at or above three hundred dollars per linear foot is substantial, and substantial repair brings the 5.7-foot requirement with it. After a citation the clock is sixty days to demonstrate progress and seven hundred and thirty days to complete, with penalties running daily beyond that.

Work needs a municipal building permit and separate approval from Miami-Dade DERM's Coastal Resources Section.

4. The dock: four agencies, and possibly a lease

Nothing about a dock is answered by one permit. In sequence: a Miami-Dade DERM Class I environmental permit for work in, on, over or upon tidal waters or coastal wetlands, under section 24-48 of the county code; a separate county marine facilities annual operating permit; a state environmental resource permit through the Florida Department of Environmental Protection and the water management district; and federal authorization from the Army Corps of Engineers, which for docks, piers and minor piling-supported structures generally runs through the state programmatic general permit.

And underneath all of it, the question almost nobody raises: the bottom may not be yours. Sovereignty submerged land is administered by the Board of Trustees of the Internal Improvement Trust Fund under Florida Statutes section 253.0347, with a fee exemption for a single-family dock where the preempted area is no more than ten square feet per linear foot of shoreline. Exceed that, or derive income from a slip, and the exemption is a different conversation.

Each of those bodies publishes its own requirement clearly. None of them publishes the chain, which is why a dock plan that satisfies one agency can stall at the next.

5. Whether the boat can leave

A dock is only worth what can get from it to open water, and that is decided by fixed federal clearances rather than by anything in a listing. On the Venetian Causeway the east bridge closes at five feet and the west at twelve, and both open only on the hour and half hour between seven in the morning and seven at night.

• Bridge clearance from the islands — the numbers, the opening schedule, and the federal citation behind them
• What the island houses have actually sold for — recorded arm’s-length sales, with the excluded transfers counted
• The six kinds of waterfront — and which one a listing is actually describing
• What a budget buys across eleven markets
• What is at street level — the retail and dining anchor each market is organized around
• Island by island, with the individual sales and the rules that govern the parcel: Star · Hibiscus · Palm · Di Lido · Rivo Alto · San Marino · the Venetian Islands · La Gorce · Allison

6. If it is in a historic district

Miami Beach has fourteen local historic districts, and properties within them are classified as contributing or non-contributing on the city's public historic property viewer. A certificate of appropriateness is required for new construction, alteration or demolition of a historic structure or of an improvement within a district. Total demolition requires Historic Preservation Board approval at a public hearing regardless of how the building is classified.

The baseline single-family envelope in Miami Beach caps unit size at half the lot area and lot coverage at thirty percent for two-story homes, before any district overlay. The City of Miami runs its own separate preservation system, so again, establish the jurisdiction first.

7. The gate, and this one is closest to a condominium

Several communities run a mandatory property owners association or club with an approval requirement at transfer — the direct analogue of condominium association approval, and it catches buyers who assumed a house meant no board.

The Sunset Islands 3 and 4 Property Owners Association requires membership of all owners on those islands, with an initiation fee at purchase of twenty thousand dollars or thirty basis points of the purchase price, whichever is greater, plus annual dues and any special assessments the board sets. Transfer requires a submitted application including an executed copy of the sales agreement and a notarized membership agreement.

The Gables Estates Club requires that all persons residing in a home be a member or an approved occupant, with non-original occupants applying for approval. Construction requires prior written approval of the Board of Governors, work is restricted to defined hours, and the owner must disclose each contractor's name, address and license number.

These are recorded, documented, board-controlled mechanisms that change both closing cost and closing risk. They are knowable in advance, from the associations' own documents.

• The approval and the fee, quoted from the documents — what the $20,000-or-0.3% initiation actually means at each price, and what a club that approves occupants controls

What is not here yet

This page names the chain. The individual links are being written from the same sources, in this order: the private-community transfer gates, community by community, from their own governing documents; the four-agency dock permitting sequence with the submerged-land test; the seawall page written for someone deciding whether to bid rather than someone buying a repair; and the elevation certificate page built around the county's public lookup.

Two things this page deliberately does not do. It does not rank neighborhoods, and it does not describe who lives in any of them — a licensed agent's site has no business doing either, and the sites that do it are not answering a question a buyer can act on. And it does not carry current listings, because it has no feed and would rather be right than look busy.

• Selling a Miami property — the association documents, pricing from closed sales, and closing costs
• The condominium side — 46 towers from the county record
• If you are Canadian — the withholding on a sale, the tax on rent, and how long each province lets you stay