Mattituck Creek Boat Ramp is a two-lane concrete launch facility on Long Island Sound that accommodates up to 60 trailer rigs and 14 cars, making it suitable for larger boats and busy days.

The site features a dock for canoe/kayak launches, a fishing pier, picnic tables, restrooms, trails, and a pumpout facility, with accessible parking and loading areas for people with disabilities.

Located approximately 18 miles west of Oyster Ponds Access Site, it serves as a comprehensive waterway access point for both motorized and paddle craft.