Had an absolute blast. Really couldn't beat the location. Literally -40 mins or less from everything we wanted to do & and a 7 min walk from Lighthouse Beach. We played golf all over the Cape every morning, and got breakfast in Chatham most days. Got up to Provincetown to go on a whale Watch, and quick trips to the Vineyard and Nantucket. We did bring our own sheets, cleaning supplies, fans and cookware out of an abundance of caution but we prob didn't need to.
We knew going in that there was no AC and while yes, nighttime helps and the breeze off the water is nice, even with all of the windows open, We came over a humid week so there we definitely some rough nights sleeping that the only way to describe as "moist." We didn't spend much time inside to begin with, so wasn't the biggest deal to us, but definitely would bring an extra fan if you need a cool place to sleep.
Loved the location and set up. really fit our needs well and we felt very safe and clean staying in Chatham. Owners were very responsive and accommodating as well.