Miami-Dade County · Waterfront
Docks, Seawalls & Dredging in Coral Gables, FL
Coral Gables sits on Biscayne Bay, Coral Gables Waterway and Mahi Canal, with waterfront homes in Islands of Cocoplum, Gables Estates and Gables by the Sea. Langley Coastal builds and repairs docks and pilings, installs boat and PWC lifts, repairs seawalls and performs dredging for property owners in Coral Gables. Permitting is handled in full.
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Services in Coral Gables
Every service below has its own page. Five of them have one written for Coral Gables.
Dock Construction
New docks, complete tear-outs and rebuilds, and worn deck boards replaced.
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Piling Services
Pilings restored where they can be, replaced where they cannot, under a dock, a lift or a boathouse.
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Seawall Construction
Aging walls removed and replaced, designed with licensed engineers.
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Seawall Repair
Inspection with photo and video, then hydraulic cement, forms and rebar, or foam injection.
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Boat Lift Installation
Fitted on a new dock or one you already have, working with the lift manufacturers.
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Boat Lift Maintenance
Cables, drives and lift pilings kept working in salt water.
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Dredging
Depth restored at docks, canals and shorelines. We handle the permitting.
Explore dredging in Coral GablesGeneral Construction
The land side of a waterfront property: building, demolition, sitework and pools.
Explore general construction in Coral GablesCoral Gables's waterfront
What shapes dock, seawall, and dredging work here. Sources are linked.
Waterways
- Biscayne Bay: southeast shoreline; the city counts over 42 miles of shoreline, coastline and waterways [coralgables.com]
- Coral Gables Waterway: idle speed year-round west of the bay shoreline, with a No Entry zone Nov 15-Apr 30 upstream of the 'Elevated Bridge'; one of four winter manatee aggregation sites in the county [law.cornell.edu]
- Mahi Canal: dock projection rules for the Mahi Canal are set separately in the zoning code's Appendix A [ordinancewatch.com]
Waterfront neighborhoods
- Islands of Cocoplum: city tide and mangrove-water-level monitoring along the Waterway [coralgables.com]
- Gables Estates: named in the Board of Architects application where mangrove approvals apply [coralgables.com]
- Gables by the Sea: security district run under a Coral Gables-Pinecrest interlocal agreement [gablesinsider.com]
Marinas, bridges and inlets
- Matheson Hammock Park & Marina: 9610 Old Cutler Rd; county marina for boats to about 50 ft, 210-trailer ramp, fuel [coralgables.com]
Permits and rules in Coral Gables
Rules change; confirm current Coral Gables requirements with the authority before work starts.
Miami-Dade County permit authorities that cover Coral Gables →
- Seawall rule (City of Coral Gables Public Works / Building (Zoning Code Sec. 5-802); Miami-Dade DERM Class I; county Flood Criteria)
- No Coral Gables minimum seawall elevation ordinance was found. [ordinancewatch.com]
- Dock and boat-lift permits
- City of Coral Gables Public Works permit + Building (FBC Residential: Seawalls/Bulkheads/Docks/Decks) + Miami-Dade DERM Class I + FDEP / USACE. The city's 2025 permit requirements for docks, moorings and wharves call for a notarized Public Works permit application, electronic plans showing the installation method, existing mangroves and dimensions across the waterway, preliminary DERM approval (a DERM stamp is required on re-submittals), color photos, a survey, and, inside Cocoplum Section II, a copy of that community's dock plan. [coralgables.com]
- Seawall repair permits
- City of Coral Gables Building (FBC Residential: Seawalls/Bulkheads) + Public Works + Miami-Dade DERM (RER) Class I + FDEP. Mangroves along the wall are protected under state law; most trimming needs a county-certified trimmer, with fines up to $100 per mangrove illegally trimmed and $250 per mangrove illegally altered. [coralgables.com]
- Dredging permits
- Miami-Dade DERM Class I + FDEP + USACE Jacksonville District. Maintenance dredging of an existing man-made canal is exempt from a state ERP under F.S. 403.813(1)(f) only if spoil goes to a self-contained upland site; DERM treats maintenance dredging with upland disposal as a short-form Class I permit. [miamidade.gov]
Local conditions that matter
Tides, storms and siltation
- Four city tide stations log water levels every 15 minutes in NAVD88 along the Waterway and at Cocoplum [coralgables.com]
- About 11% of the county's manatee carcasses were recovered within 5 miles of Coral Gables, and a stormwater outfall on a canal off the Waterway is a popular manatee freshwater source (MPP pp.34, 45) [miamidade.gov]
- Manatees feed in winter on the mainland seagrass beds between the Rickenbacker Causeway and the Coral Gables Waterway (MPP pp.44-45) [miamidade.gov]
- Hurricane Irma (2017) inundation averaged 3-5 ft along the bay shoreline from Homestead to downtown Miami, 1-2 blocks inland (NWS Miami) [weather.gov]
On the water
- The city publishes clearances for 18 bridges over its waterways, from 7 ft (Pisano Ave, Prado Blvd) and 7.5 ft (Bird Rd, Blue Rd, Ponce de Leon) up to 18 ft (LeJeune, Hardee, Granada/Mahi) and 21 ft (Isla Dorada Blvd); Cocoplum Blvd is 12 ft and Old Cutler Rd 15 ft [coralgables.com]
- FAC 68C-22.025: the Coral Gables Waterway west of the bay shoreline is idle speed year-round, with a residents-only No Entry zone Nov 15-Apr 30 northwest of the Elevated Bridge [law.cornell.edu]
- In the Waterway's residential No Entry area the county manatee plan limits single-family docks to two slips for upland residents, requires an FWC Manatee Protection Zone exemption permit for resident access, and says non-emergency dock construction should happen in the manatee summer season, May 1-Nov 14 (MPP p. [miamidade.gov]
- The manatee plan rates all of the Coral Gables Waterway east of SW 57th Ave and all other Coral Gables canals (except the Matheson Hammock marina area) as not suitable for marina expansion, while preferring expansion at Matheson Hammock (MPP pp. [miamidade.gov]
Recent Dock Work
Coral Gables — frequently asked questions
What seawall height rule applies in Coral Gables?
No Coral Gables minimum seawall elevation ordinance was found. (City of Coral Gables Public Works / Building (Zoning Code Sec. 5-802); Miami-Dade DERM Class I; county Flood Criteria). An inspection of your Coral Gables seawall, with underwater photos and video, shows whether a repair or a rebuild is the right route. [source]
Who permits a new dock or boat lift in Coral Gables?
City of Coral Gables Public Works permit + Building (FBC Residential: Seawalls/Bulkheads/Docks/Decks) + Miami-Dade DERM Class I + FDEP / USACE. The city's 2025 permit requirements for docks, moorings and wharves call for a notarized Public Works permit application, electronic plans showing the installation method, existing mangroves and dimensions across the waterway, preliminary DERM approval (a DERM stamp is required on re-submittals), color photos, a survey, and, inside Cocoplum Section II, a copy of that community's dock plan. [source]
Do I need a permit to dredge my canal in Coral Gables?
Miami-Dade DERM Class I + FDEP + USACE Jacksonville District. Maintenance dredging of an existing man-made canal is exempt from a state ERP under F.S. Langley handles that permitting for Coral Gables dredging projects. [source]
Which Coral Gables neighborhoods do you serve?
Waterfront neighborhoods across Coral Gables, including Islands of Cocoplum, Gables Estates and Gables by the Sea (ZIP 33143, 33146, 33156). Coral Gables is in Miami-Dade County, one of the four counties Langley Coastal serves.
Are there speed or manatee zones near Coral Gables docks?
The city publishes clearances for 18 bridges over its waterways, from 7 ft (Pisano Ave, Prado Blvd) and 7.5 ft (Bird Rd, Blue Rd, Ponce de Leon) up to 18 ft (LeJeune, Hardee, Granada/Mahi) and 21 ft (Isla Dorada Blvd); Cocoplum Blvd is 12 ft and Old Cutler Rd 15 ft That sets how a dredge or barge is scheduled and staged in Coral Gables. [source]
Does Langley Coastal Construction work in Coral Gables?
Yes. Coral Gables is in Miami-Dade County, one of the four counties Langley Coastal Construction serves; call (954) 406-0696 to schedule Coral Gables work.
Sources for the Coral Gables facts above are linked inline (17 public pages); they describe Coral Gables, not Langley projects, and rules change, so confirm with the permitting authority.
Nearby Waterfront Areas We Serve
What Coral Gables area customers say
Roman and his team did an excellent job installing my boat lift canopy cover. Helped me custom design it so my boat is tucked up under and fully covered from rain and sun. No longer need to cover my boat! I would recommend him for a canopy cover if you are interested. Was on time, affordable, and great communication.