Promotions of Posada Mariposa Book Online 15% discount Get a 15% discount just by booking online. You will also have the right to early check-in, late check-out and room upgrade if we have availability. Book Now! Early Booking 20% discount Book more than 30 days in advance and receive a 25% discount Book Now! Long Stay 20% discount Get a 20% discount on reservations from 3 days Book Now!