Island Beach is situated in Long Island Sound about two miles south of Greenwich Harbor. During the summer months, there is a ferry service from the landing at Roger Sherman Park (off Arch St.). Parking is available across Arch Street. The ferry runs from the second Saturday in June through mid-September.

The island boasts almost 1,000 feet of fine sandy beach on its northern and eastern perimeters There are designated swimming and boating areas and a lifeguard. There are picnic tables, grills, snack bar, covered shelters, dressing rooms and restrooms.

Park passes required.