Thompson Park's 21-acre Marlu Lake offers fishing and paddling access with a calm water environment suitable for canoes, kayaks, and electric-motor boats (NJ freshwater fishing license required for ages 16-69).

The park provides 667 acres of recreational facilities including 14 miles of multi-use trails, a visitor center, and parking areas, with the lake accessible from multiple trailheads at Marlu Lake and Three Barns parking areas.