A friend of ours recently stayed at the Lincoln Cottage, which is in Gilford on the lake close to the Belknap Point Inn. It is available for rent and there are still a few openings this summer. If you have boated past there, the boat house with the mirror goes with the house. It is a large old stone house (does not look like a cottage, more like a castle) that sleeps at least 5 people. Our friends loved the house and had a good experience with the owner. Check the listing at :
https://www.vrbo.com/474595