A fine summer day on a cool Maine lake....

The water view of the dock from the deck.

You can bring your own boat. We’ve got free island dock space, a free public boat launch, and free parking. No boat? No problem. You can paddle one of our canoes or kayaks (also free). It’s about a 30 minute journey from or to shore (for intermediate paddlers - weather permitting). If weather doesn’t permit, you can take a free pontoon ferry (regular service is 10a, 3p, and 5p. And if those times don’t work for you, then we can run a special ferry service at whatever time you want for $50.00.

Telling work where you are working from is up to you! 5G reception, wireless hotspot, inverter to power cell phones and laptops, and rechargeable batteries means we do remote work from the island (shhhhh!).

This is Annie - the 80 year old island red oak tree that lives through the Oaktagon.

Fishing is amazing on Annabessacook Lake.

The 1BSI Oaktagon Tree House is a special place to spend your vacation on a quiet Maine lake island.

Lounge in an island "emergency" hammock.

Your dog will love the woodstove! Free firewood and kindling are included.

Compare all our eco-island stays.

Spacious porch for chilling and grilling.

Enjoy a meal on the deck.

Getting to the island is easy. You've got options: Bring your own boat (free island dock space) or pontoon plane, paddle one of our canoes/Kayaks, or jump on a free ferry (3x daily).

Island life is dog heaven.

The Oaktagon is nestled in the trees, built around a living oak tree on 1 Big Sustainable Island

Fly in and park your float plane on the beach

A map of lake neighborhood.

Lots of hammocks to choose from

Explore the island with this treasure map.

We're dog people. Your pup will love the freedom of some island time...

Explore the 1400 acre lake in our canoes and kayaks for free!

A breakfast table for two with a view of the lake...or fold out our dining room table for six.

The Oaktagon has its own private island dock if you want to bring your own boat.

A compact and complete kitchen with all the cooking equipment you might need.

The bedroom loft has an amazing view and a comfy queen size bed.

No electricity, no running water, and yet odor free composting toilet!

Bring your own boat or paddle one of ours. Tie up to your private dock!

The cathedral ceiling of the Oaktagon is hypnotic.

The Oaktagon (that's no typo) is an eight-sided building constructed around Annie the red oak tree.

The ferry landing dock.

Watching the sun set at Proposal Rock.

Berry the Bass lives in his undisclosed home near the island...

Just bring your favorite foods...we'll provide everything else...

Large mouth and small mouth bass.

Even when it rains on the island, there's a silver lining...

Learn the constellations on a crisp, clear star-filled sky.

Stand-up paddle board, canoe, or kayak.

A small navy of canoes, kayaks, and SUPs.

Hot Showah!

Fishing with your bestie.

Peter Tuttle the Painted Turtle.

Cooking Options: A propane grill and side burner. Cook over the fire pit. Cook inside in the kitchenette.

Island visitor example.

Chillax in a self-rocking swim dock.

Larry the loon.

Yeehaw on the island rope swing.

One of two full-size futons in the living room.

The northern lights make appearances.

Unlimited firewood for your evening gatherings.