St. Lawrence County Boat Ramps, New York

St. Lawrence County tracks 4 public boat ramps in total, spread across 4 different rivers, creeks and lakes — most notably Cranberry Lake (1 ramp), Fish Creek (1 ramp) and Grass Lake (1 ramp). Each listing below shows which waterbody it's on, so you can tell at a glance which ones actually connect.

Sourced from official state and federal agency records, last synced on July 7, 2026. Read more about how we verify this data.

4 Boat ramps
4 Waterways
0 Free to launch
5 Neighboring counties

All boat ramps in St. Lawrence County

Waterways in St. Lawrence County

These are the rivers, creeks and lakes with public boat ramps in St. Lawrence County. Ramps on the same waterway don't always sit close together on a map — some of these stretch across the whole county.

Cranberry Lake 1 Fish Creek 1 Grass Lake 1 Grass River 1

Boat ramps in neighboring counties

If St. Lawrence County doesn't have what you're looking for, these bordering counties are worth a look too.

Frequently asked questions

We track 4 public boat ramps in St. Lawrence County, spread across 4 different rivers, creeks and lakes.

We haven't confirmed any free ramps in St. Lawrence County yet. Fee status is verified ramp by ramp as we check each one against the source — check the fee badge on each listing below for the latest status.

Cranberry Lake has the most public boat ramps we track in St. Lawrence County, with 1 launch point.