It was Explorer of the Seas denied entry on December 16,. Apparently, just a few crew had tested positive - I am not sure of exact facts on the positive case numbers. From our own experience on St Kitts in February 2020 - when Royal Caribbean had to fight to get permission to let passengers off because of a handful of active flu cases - I would not be at all surprised if all the islands, especially those not wild about or dependent on cruise ships coming anyway, bar the big cruise ships, generally..