Down's Marina Access provides public boat access to Lake Sharpe near Pierre, South Dakota, operated by Downs Marina Inc. , a full-service dealer offering boat sales, rentals, repairs, and fuel.

The facility is conveniently located at 800 South Washington (on the water, 2 blocks south of Saint Mary's Hospital next to Griffin Park) with nearby amenities including a state-of-the-art fish cleaning station and camping facilities at adjacent Griffin Park.

Hours are Monday-Friday 8am-6pm and Saturday 8am-12pm.