Shellmound Boat Ramp is a public recreation area on Nickajack Lake (Tennessee River Mile 425. 5) featuring a boat ramp, swimming beach, and two fixed piers with t-heads for docking.

The facility includes restrooms and showers, with water depths around 18 feet at the dock; note that motorboats must operate at "Slow-No Wake" speed in this area per Tennessee boating regulations.

Located just upriver from Nickajack Lock, it's a popular spot for fishing, tubing, and picnicking with family-friendly access and ample shoreline.