that, is great to have an outside bathroom when entertaining outside, the carriage house would make an awesome outside entertaining area, would add a small kitchenette with and awning patio area, all of these would make it useful as a guest room/house as well. The outside bathroom is also a great feature if you have children or are planning on adding a pool, not tracking wet feet into the house. Love it, you have so much to work with! Good luck! :)

and brighter turquoise to the colors, some flowers with the sea grass, even would paint the jewelry shelf brighter