Bluff Point State Park is a public recreation area and nature preserve on an undeveloped peninsula located between the Poquonnock River and Mumford Cove on Long Island Sound in the town of Groton, Connecticut. The state park's 806 acres encompass a barrier beach, steep cliffs, forested sections, and tidal wetlands; 778 acres are designated as a coastal reserve. Recreational opportunities include hiking, mountain biking, boating, saltwater fishing, and shell fishing.