East Harbor State Park Marina offers a boat ramp providing access to West Harbor with direct channels to Lake Erie, featuring seasonal and day-use dock rentals, fuel, a full-time mechanic, and boat supplies for a fee.

The marina can accommodate vessels up to 40 feet LOA and is conveniently located within walking distance of the park's 1,500-foot swimming beach, picnic areas, and over 10 miles of trails.

Additionally, a free boat ramp is available within the campground for registered campers only (April-October), with public access November-March.