Guaranteed 2 p.m. Late Check-out for Platinum and above, 4 p.m. subject to availability.
Marriott have updated their terms and conditions:
v. 4 p.m. Late Checkout. Platinum Elite Members and above may check out as late as 4 p.m. local time of the Participating Property. Members can request late checkout when making a reservation through central reservations, at check-in, via the mobile app (where available) or at any time during their stay. At Apartments by Marriott Bonvoy, Platinum Elite Members and above are guaranteed a late checkout up until 2 p.m. local time and may request to check out as late as 4 p.m. local time based upon availability. This benefit is guaranteed at all Participating Properties, except at resort and convention hotels and Design Hotels, where it is based upon availability. Marriott Vacation Club, Marriott Grand Residence Club, Sheraton Vacation Club, Westin Vacation Club, The Phoenician Residences, a Luxury Collection Residence Club, Scottsdale, and Ritz-Carlton Reserve are excluded from this benefit.