I absolutely agree with Hatteras and I recommend you get the best of both worlds and stay at the Renaissance AND the Marriott Stelaris Hotel. I definitely recommend the 9 day stay as that gives you plenty of time to relax and unwind following the busy schedule of your wedding. I recommend 7 nights at Palm Beach (at Stellaris) followed by a move downtown to the Renaissance so you can enjoy the private island. The photographs you get of the two of you with the Flamingos will be some of your favorites from the trip! The Renaissance is close to the airport so that is an advantage for staying there the night(s) closest to your departure date. Additionally, the Renaissance allows check-out as late as noon so depending on your flight schedule, you'll likely have time to visit the Renaissance island on the morning of your departure(island opens at 7am) and return to room to shower/change before going to the airport.