We are considering going to the Cayman Island for Easter week next year, and have enough loyalty points to stay at either the Westin or the Marriott. We stayed at the Westin once before back in 2006, and had a good time. From what I remember walking along the beach, the beach was nicer at Westin. Any reason to choose the Marriott over the Westin? Also our boys are ages 6 and 12, and we would be looking to use a kids club occasionally for the 6 year old. We also love snorkeling off the beach, but also plan on renting a car and going to the different activies/beaches throughout the island.