Advance Booking Discount - Up To 10% Barcelo Cala Hotels, Majorca Spain. Pre booking has its rewards. Make the most of the occasion and enjoy this great discount if you book in advance.T&C: Valid for Barceló Cala Viñas. Offer valid until 12/10/2015 Except from 25/06/2015 to 12/10/2015. Book Now.