WallDockDeck
Surfside · Miami-Dade County

How big a dock can I build in Surfside?

10% of waterway width or 10 ftwhichever is less on Point Lake and the canals

Surfside sets dock reach by waterway. On Point Lake and the North and South Canals a dock, pier or mooring structure may project 10% of the waterway width or 10 ft, whichever is less. On Indian Creek the limit is 10% of the width up to 35 ft, and on Biscayne Bay up to 45 ft. The dock and a moored boat together must leave a 25 ft channel.

Source: Town of Surfside Code Sec. 90-57 (through Ord. 26-1797, 1-13-26); Miami-Dade County Code Secs. 24-48.1(1)(a), 24-48.3(1)(j),(3); Fla. Stat. 403.813(1)(b) (2026); 33 CFR 322.3(a) · Verified 2026-10

The detail

Point Lake, North and South CanalsA marine structure may project no more than 10% of the adjacent waterway width or 10 ft, whichever is less - Town Code 90-57(3). For Lots 1-4, Block 23A and Lots 9-18, Block 27 of the Second Amended Plat of Normandy Beach on Point Lake, the limit is 10% of the lot's own water frontage or 10 ft - 90-57(2)
Indian Creek and Biscayne Bay10% of the adjacent waterway width, up to 35 ft in Indian Creek (Lot 13, Block 26 and properties north along Biscaya or Bay Drive) and up to 45 ft in Biscayne Bay (Lot 14, Block 26 and properties east along Biscaya or 88th Street) - 90-57(4)a-b
WidthAny part of a dock more than 15 ft from the seawall may be no wider than 8 ft; where county or state environmental staff will not allow more than 8 ft next to the seawall, a platform up to 30 ft wide and 15 ft deep may be built within 25 ft of the seawall - 90-57(4)c
ChannelThe dock and moored boat together may not narrow the waterway to less than a 25 ft channel anywhere along the lot's frontage - 90-57(5)
SetbackAt least 10 ft from the waterward extension of each property line - 90-57(6)
Two waterfrontsA lot with water on two or more sides may build only on the side facing the widest waterway - 90-57(1)
MeasuringWaterway width is the narrowest distance from the waterward side of the lot's seawall to the nearest land or seawall; projection is measured from the waterward side of the seawall - 90-57(8)-(9)
Neighbour noticeCourtesy notice of the permit application by first-class mail, return receipt requested, to all owners within 300 ft; the building permit cannot issue until 15 days after proof of mailing reaches the town planner - 90-57(10)
RebuildingStructures existing before 1 January 2026 may be rebuilt as previously permitted after total destruction - 90-57(7)
Miami-Dade County Class I permitAny work in, on, over or upon tidal waters or bay bottom anywhere in Miami-Dade County, cities included, needs a county Class I permit - County Code 24-48.1(1)(a). New boat slips at docks in tidal waters need at least 4 ft of water at mean low water; the depth rule does not apply to docks in bulkheaded artificial canals bordered by uplands on both sides, to lifts, davits and piles in slips at existing permitted docks, or to repair of existing legal docks with at least 3 ft of water - 24-48.3(3). A dock proposed beyond the boundaries in Sec. D-5(03)(2)(a) of the county Public Works Manual gets extra review factors - 24-48.3(1)(j)
State exemptionA private, non-commercial dock on pilings with 1,000 sq ft or less of over-water surface (500 sq ft in Outstanding Florida Waters), and the only exempt dock along 65 ft of shoreline (or one per lot if the lot is narrower), needs no state environmental permit - Fla. Stat. 403.813(1)(b). The exemption does not grant permission to use state-owned submerged lands and does not override city or county rules - 403.813(1)
FederalStructures in navigable waters need a Department of the Army permit, general or individual - 33 CFR 322.3(a)

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