We just stayed at the BIGGEST Marriott hotel in the WORLD. And there was a MERMAID PARTY. Also, a WATER PARK. If that doesnt grab your attention, Im really not sure what will. Marriott recently invited us to stay at the Orlando World Center Marriott , which, as we mentioned, is the largest Marriott hotel in the world with over 2,000 guest rooms and suites. It boasts a water park with seven water...