Located on Conanicut Island at the mouth of Narragansett Bay, Conanicut Marina is known for its hospitality, excellent facilities, highly-trained technicians and nearby amenities. CMS is an ideal base for cruising the waters of Narragansett Bay, Block Island and the Elizabeth Islands or for racing around the Bay. Located in the center of the town of Jamestown, guests have easy access to restaurants, groceries and laundry facilities–enjoy a short walk or take our courtesy shuttle. Conanicut proudly offers both transient and seasonal reservations. We look forward to welcoming you to Jamestown!