The official late checkout time depends on your status with Marriott but you can always ask for what you need. The worst they can say is no. Same with early check-in. The latter, however, really depends on whether they have your type of room cleaned and available. It's perhaps best to call ahead if you know your arrival time just to give them the best chance to prepare.
Marriott is flexible and you can check in whenever you get there if a room is available. Late check out is 1:00 pm
All above is correct, BUT your room key should still work in public areas such as the pool until about 4pm. They will also store your luggage for free if you want.
Early checkout???? As early as you like, late checkout as late as 2:00 PM.
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