The water is always slack behind the beacon when the current is running west. You have to crab to get in, but be ready to haul the helm over in the slack water. A well marked channel leads you all the way in. There's good anchoring between Wickets Island and Onset Island. Fuel and ice is available at the at Point Independence Yacht Club.
Moorings are also available.
No overnight parking at the town pier. And the unique manner in which roads were designed makes locating historical landmarks easy. And from any point on land, within minutes you can walk to the shore.