Free Night Offers - Up to 46% Discount Barcelo Hotels, Mexico. Amazing free night offers available at the Occidental Grand Nuevo Vallarta Resort hotel in Puerto Vallarta, Mexico. Book now and get up to 46% discount. Get an additional 10% off on higher category rooms by using promo code: BNUEVOVALLARTA. Stay 7 nights and only pay for 5 Avail up to 46% discount. Stay 4 nights and only pay for 3 Avail up to 43% discount. Terms & Conditions: Offer valid for bookings until 16 December 2016. Coupon code valid for stays until July 7, 2017.