Boatsetter - Rent a boat, with or without a captain. Powerboats and sailboats, anywhere in the country.
HotelTonight Escape - The best getaway deals for tonight (or the weekend)
Sailo - Airbnb for boats
MakCorps - Hotel Price Comparison API
GetMyBoat - Book boat rentals, charters, tours, and lessons in 171 countries around the world.
Hotellook - Compare hotel deals from all the leading booking agencies