It can be hard to find a place to stay in somewhere as desirable as Kailua, and Marge/Cory were both gracious and responsive hosts in offering a room in the Enchanted Lake area. I biked to Lanikai each day, and a series of bike routes to Kailua beach and Lanikai beach along nearly the entirety of the commute made that easy and safe.
Marge provides a lot of information within the listing, and it's important to read everything that it has to offer, but if you do so you won't be disappointed!