Public Boat Ramps on the St. John's River, Florida

We currently track 1 verified public boat ramps with access to St. John's River in Florida, all located within Clay County. Use the map and ramp listing below to compare launch fees and access details.

1 Boat ramps
1 County
1 Free to launch
Clay County Top county (1)

Map of the St. John's River Boat Ramps

Compare every public boat ramp on the St. John's River in one map. See where each launch is located, compare access points, and choose the most convenient place to get on the water.

Boat launch locations on the St. John's River

Browse every verified launch site we've published on this waterway, with fee information, nearby towns and access details.

Knight's Boat Ramp and Marina Near Green Cove Springs · Jacksonville · Clay County Free

Current Conditions

Check the latest weather forecast and available water quality information before heading out. Depending on the location, one or both data sources may be available.

Current weather

81°F Mostly Clear

Wind 5 mph

Full NWS forecast · via National Weather Service
Last updated Aug 27, 2026 at 2:37 PM

Frequently asked questions

The questions people ask most often before launching on St. John's River.

There are currently 1 public boat ramps on St. John's River in Florida.

Yes - 1 of the 1 ramps we track on St. John's River are free to launch from. Check each listing's fee badge before you go.

Clay County has the most, with 1 public boat ramp on St. John's River.