Access Selden Neck State Park by boat only via a car-top boat launch located on the east side of the Connecticut River at the intersection of Route 148 and the Chester-Hadlyme Ferry.

This 607-acre island offers primitive camping at four separate camp areas (accommodating up to 46 campers), approximately 5 miles of hiking trails with varying difficulty levels, and scenic river views, making it ideal for paddlers and anglers seeking a remote Connecticut River experience.