The ferry from East Ferry to Tiverton, Long Island leaves the East Ferry side on the half hour (i.e. 1:30, 2:30, 3:30).
It takes about 20 to 25 minutes to drive down through the fist island to catch the second ferry that leaves Freeport for Brier Island on the hour (i.e. 1:00, 2:00, 3:00).
The ferry leaves Brier Island to return to Freeport at 25 minutes past the hour (i.e. 1:25, 2:25, 3:25).
The ferry from Tiverton to the mainland leaves on the hour (i.e.1:00, 2:00, 3:00).
The ferries load approximately 10 minutes before departure and when they fill up they will take that load of cars and come back for any left behind. During the summer months the ferry experiences many overloads and wait times are minimal.