Among Miami-Dade County's saltwater launches, Watson Island Lot 70 Boat Ramp stands out for its convenient location on Biscayne Bay. Regulars appreciate how quickly it drops you into the fishable stretches nearby. With 6 launch lanes, it can handle a busy weekend crowd without the usual bottleneck. As of the last FWC inventory update, a launch fee applies here.
At a glance
- County
- Miami-Dade
- City
- Miami
- Waterbody
- Biscayne Bay
- Water type
- Salt or Brackish Water
- Ramp type
- Stand Alone Ramp
- Launch lanes
- 6
- Ramp surface
- Concrete
- Dock
- Fixed Launch Docks
- Parking surface
- Paved - Asphalt or Concrete
- Trailer parking
- 48
- Restroom
- Flush Toilet
- Fee required
- Yes
- Managed by
- City of Miami Parking Authority
- Status
- Open for Business
- Hours
- 24 Hours
Address: 1050 Mcarthur Causeway, Miami, FL, 33132 · Coordinates: 25.783649, -80.172569
Where it is
Map data © OpenStreetMap contributors. Marker location from the FWC boat ramp inventory.
What to know before you launch
- Rinse your trailer and engine with fresh water after launching in salt — corrosion is the enemy on Florida's coast.
- Even with multiple lanes, prep in the staging area first so you're not tying up a lane while loading gear.
- Always check current tides, wind, and marine forecasts before you launch — Florida afternoons can turn stormy fast.
Tides at the nearest station
The closest NOAA tide station is Virginia Key, Biscayne Bay, about 4 miles away. Here are today's predicted highs and lows (referenced to MLLW):
Gear for a day on Biscayne Bay
Heading out from Watson Island Lot 70 Boat Ramp? A few essentials make any Florida launch smoother — a reliable chartplotter, a properly sized life jacket for everyone aboard, and a cooler that survives the heat.
- Best marine GPS chartplotters — navigate the flats and channels with confidence.
- Best life jackets (PFDs) — Florida law requires one per person aboard.
- Best coolers for boats — keep your catch and drinks cold in the sun.