The Thacher & Straitsmouth Islands boat launches will operate from June through August in 2024, with trips to Thacher Island on Wednesday, Saturday and limited Tuesday mornings, and trips to Straitsmouth Island on the 1st and 3rd Tuesday mornings of each month. Reservations are required for all passengers (including TSIA members using free tickets), and you can make the reservations for your tickets through Eventbrite beginning on May 5th. Plan your adventure!
Thacher Island Trips – all trips return 2 1/2 hours after their departure
- Tuesday trips, twice each month, with three morning departures
- Wednesday trips begin on June 5th with four morning departures
- Saturday trips begin on June 8th with five morning departures
Straitsmouth Island Trips – all trips return 2 hours after their departure
- Tuesday trips, twice each month, begin on June 4th with three departures
Click on Visit Us for more information on ticket prices, departure location and parking.
Reservation support is available at (617) 599-2590 from 9am to 5pm.