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1 Big Sustainable Island (1BSI)
- Monmouth, ME
About this business
Location details
705 ME-135, Monmouth, ME, 04259, United States
Get directions| Weekday | Schedule | Status |
|---|---|---|
| Mon | 9:00 a.m. to 6:00 p.m. | |
| Tue | 9:00 a.m. to 6:00 p.m. | |
| Wed | 9:00 a.m. to 6:00 p.m. | |
| Thu | 9:00 a.m. to 6:00 p.m. | |
| Fri | 9:00 a.m. to 6:00 p.m. | |
| Sat | Closed | |
| Sun | Closed |
It is obvious that Kent and Heather love what they are doing. Where else can you vacation with three dogs and your family. Sweet private sights where you can get unplugged from your weekly grind. I would love to bring my family, human and K9, back again!
1BSI is such a special place! My husband and I discovered it last summer, ('25) when we stayed in the A-frame cabin. Since then, my husband returned in April '26 and stayed in Oaktagon, and we both came back this week (June '26) and stayed in Nautilus. Each structure is wonderfully different from the other, making you feel as if you are on a different vacation than the previous time. What is the same is the amazing support and spirit of Kent and Heather and their staff, who are always there if and when you need them. When yo... read more
I had the pleasure of renting out the entire island for my brother and sister in law's combined bachelorette and bachelor party in the summer of 2025 with about 30 people in total for 3 days. I could not recommend this island and the team that run it more! Lets start with the staff: Kent is amazing! He was responsive, gave great recommendations for boat rentals (which if you have a crew I would suggest renting a pontoon boat), and went above and beyond to help make the weekend the best. Our boat broke down and he came with t... read more
Frequently asked questions about 1 Big Sustainable Island (1BSI)
How is 1 Big Sustainable Island (1BSI) rated?
1 Big Sustainable Island (1BSI) has a 5 star rating with 40 reviews.
When is 1 Big Sustainable Island (1BSI) open?
1 Big Sustainable Island (1BSI) is closed now. It will open on Monday at 9:00 a.m.
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