Baan Chompoo Homestay is very clean and only 5 minutes walk to Amphawa Floating market. Breakfast was reasonable though not the best shower we had, but we were happy with out stay.
You can catch songtheaw (public open ute) from across the road to go to Maeklong train market for 8baht per person so very cheap.
No taxi available, however private car to Bangkok about 1200baht - The owner was nice to call and organise one when we requested.