Caribbean Special with Up To a 25% Discount!! Pre-booking has its rewards. If you book in advance you can save up to 25%. Discover the hotels in the Caribbean offering this type of discount and don-t wait any longer. Barceló Langosta Beach. 31 to 59 day advance booking offer. 15% discount. Barceló Karmina Palace Deluxe: Mexico Super Offer. 15% discount. Barceló Tambor Beach: Between 31 and 59 days in advance - 15% off. Barceló Ixtapa Beach: Mexico Super Offer - 25% Off.