1 Big Sustainable Island

07/18/2026

The StarGazer makes the news….

Whether you just need some time away from the hustle and bustle or you want to enjoy one of New England's beautiful lakes or beaches, we've found some unforgettable stays that you can still book for the summer.

06/08/2026

Quick peek at our newest stay, the StarGazer! Launching today!
See more here: https://1bsi.org/stay.php?listingId=67bf29e3606c170010bb21ca

05/16/2026

Even cats have Island Adventures! Frankie, Brett and Haze make their way to the Nautilus.

02/05/2026

Thanks for the recognition from Booking.com. We are looking forward to 2026!

10/07/2025

1BSI makes National News…National Geographic!

https://www.nationalgeographic.com/travel/article/best-treehouses-in-new-englandl

Hardwood trees offer a sturdy foundation for those who want to sleep among the branches, making New England a prime spot to snuggle up, enjoy some hot cider, and reconnect with nature.

09/27/2025

Not too shabby…

If you’ve ever fished in Maine, you know how many great lakes are out there. It’s one of the best states for freshwater fishing, with everything from quiet

09/27/2025

Monmouth makes news!

Small towns dot the foothills and valleys throughout Maine's mountain region and are some of the coziest destinations in the country.

08/12/2025

Join the 1BSI Reset Crew!

Our Summer Reset Crew is wrapping up! 1 Big Sustainable Island is looking for help provisioning, cleaning, and resetting our island stays on Annabessacook Lake.

Work in a peaceful and scenic environment with friendly motivated people. Successful resetters are comfortable working independently, have attention to detail, regularly lift 25 pounds, work on their feet, have a flexible, part-time schedule. $20/hr. Train now for September.

08/06/2025

We are sorry to say that without rain the lake level has dropped and we have had to close the rope swing for safety. Start doing the rain dance!

07/23/2025

A visit through the eyes of the guests!