Otter Lake Boat Ramp is a free public launching point for small boats with a 10 horsepower motor limit, located within the Otter Lake Recreation Area of St. Marks National Wildlife Refuge.

The facility includes picnic shelters, restrooms, and primitive walking trails, making it an accessible spot for boaters and paddlers.

Daylight use only; the recreation area is open year-round and offers scenic views of cypress trees reflected in the lake waters.