while it isnt for everyone, we've used the Cloisters a few times. they offer a one BR condo with a fold out double sofa. includes small kitchen, pool, & a private beachfront balcony. i believe it goes for $95/nite + taxes. the other side is - it is located just north of the toll bridge (across from Reef Village), so you would either need a golf cart, bike or water taxi - not in town, and there is little other services offered there other than the room.
only the bedroom has AC, but we never needed it except in late August (HOT!), and mostly slept on the fold out as it looks over the reef.
it worked great for us, and the view is killer.