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Miami Beach Marina
A full-service South Beach marina on Government Cut with direct Atlantic access and no fixed bridges—ideal for everything from sportfishers to mega-yachts.
Miami Beach Marina sits at the southern tip of South Beach in the SoFi neighborhood, right on Government Cut—one of the most strategic boating corridors in Miami. Boaters love it for the fast in-and-out access to the Atlantic and Biscayne Bay, plus the convenience of being minutes from South Beach dining and nightlife.
Because there are no fixed bridges between the marina and the ocean, Miami Beach Marina is a practical choice for taller vessels and larger yachts. It’s also widely positioned as a “Gateway to the Caribbean,” with straightforward routing toward the Florida Keys, ICW connections, and offshore runs when conditions allow.
Whether you’re planning a quick overnight, a weekend in Miami Beach, or staging for a longer cruise, this is a high-visibility, easy-to-navigate stop with extensive on-site services and amenities.
Marina Information
Find This Marina
Address
300 Alton Road, Miami Beach, FL 33139
Parking
On-site parking is commonly listed at the Miami Beach Marina Garage/Lot at 300 Alton Rd (often noted with all-day access and EV charging). For overflow—especially weekends and event days—use the nearby 5th & Alton Garage (550 Lenox Ave) and walk or rideshare back to the marina.
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About This Marina
Miami Beach Marina is a large, full-service facility with roughly 400 slips and the capability to accommodate vessels up to about 250 ft (confirm berth assignment for exact fit). Approach depths are commonly reported around 12 ft with roughly 13 ft at dock in directory listings—always verify for your specific slip, tide, and current.
The marina’s prime advantage is its location on Government Cut: you can turn out to the Atlantic in minutes, or run into Biscayne Bay for sightseeing and anchoring options. For arrivals, hail on VHF 16 and switch to 68 for working communications (as commonly listed). Business hours are typically posted as Mon–Thu 7:00 AM–7:00 PM, Fri–Sat 7:00 AM–8:00 PM, and Sun 7:00 AM–6:00 PM.
On-site and nearby options make it convenient for crews and guests, with well-known dockside dining in the marina complex and quick access to South Beach transportation, hotels, and provisioning.
Top boating destinations near Miami Beach Marina
Atlantic Ocean (via Government Cut)
MinutesImmediate ocean access for offshore fishing, coastal cruising, and quick north/south runs when seas cooperate.
Biscayne Bay / Miami Harbor
10–20 minutesCruise the bay for skyline views, island hopping, and popular anchoring areas (conditions and local rules apply).
Fisher Island
MinutesA landmark adjacent to Government Cut—useful for navigation and a classic Miami sight while transiting.
Port of Miami / Downtown Miami waterfront
15–30 minutesCross the Cut into Biscayne Bay for downtown views and access to the Miami waterfront.
Miami River
30–60 minutesA city-cruise favorite with waterfront scenes and dining; timing depends on traffic, bridges, and current.
Key Biscayne / Cape Florida
45–90 minutesA classic day-run direction from South Beach—great for sightseeing and as a stepping-stone toward the Keys.
Florida Keys (Upper Keys onward)
Multi-hour / multi-dayA common cruising route referenced from this location—plan weather windows, fuel stops, and offshore vs. bay routing.
Dock & dine nearby
Monty’s Sunset (Miami Beach Marina)
On-siteAvailable Boats Nearby
Cruiser REM 48
La Dolce Vita II 60
Seaduction 52
Four Keeps
Azimut TH
Azimut ONK 48
Azimut FR60
The Godfather
De Antonio 42
TIHT Azumut Fly 80
Andiamo Azimut
Azimut 62e ALL
Cruiser REM 48
La Dolce Vita II 60
Seaduction 52
Four Keeps
Azimut TH
Azimut ONK 48
Azimut FR60
The Godfather
De Antonio 42
TIHT Azumut Fly 80
Andiamo Azimut
Azimut 62e ALL
Arrival tips (by water)
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Frequently Asked Questions
Miami Beach Marina is at 300 Alton Road, Miami Beach, FL 33139, on Government Cut at the southern end of South Beach (SoFi neighborhood).
Common listings show VHF 16 for hailing and VHF 68 as the working channel. Always confirm instructions with the marina as you approach.
Yes. One of the marina’s biggest advantages is direct access to the Atlantic via Government Cut with no fixed bridges, making it convenient for taller vessels.
Directory listings commonly report about 12 ft on approach and around 13 ft at the dock. Depths can vary by slip, tide, and conditions—verify before arrival.
Yes. The marina is frequently listed as offering fuel (gas and diesel) and pump-out, along with shore power and other full-service amenities.
Many visitors use the on-site Miami Beach Marina Garage/Lot at 300 Alton Rd. On high-traffic days, the nearby 5th & Alton Garage (550 Lenox Ave) is a convenient overflow option.
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