From Oct. 1 through Jan. 16, 2012, Marriott Rewards members who stay at participating hotels in Mexico and the Caribbean can receive a free night and complimentary daily breakfast for two. The minimum length of stay required to earn a free night varies by resort and participating properties include Grand Cayman Marriott Beach Resort (four-night minimum stay required), CasaMagna Marriott Cancun Resort (four-night minimum stay required) and St. Kitts Marriott Resort & The Royal Beach Casino (three-night minimum stay required), to name a few. Members will also receive a $100 resort credit to use during their stay and a free room upgrade when available. Use promo code M11 when making reservations at http://insideflyerus.wpengine.com/link/?5121