I just found out the hard way that it's 90 days - I got shut out from St. Maarten rhino boats via DCL. Plus they dropped the Champagne cat and snorkel at St. Thomas. So I let my keyboarding fingers do the walking on over to the Shoretrips website and booked both the rhino boats and a half-day cat and snorkel excursion at St. Thomas for less bucks than Disney (albeit I have to get the family to the excursions instead of using DCL-arranged transportation).
If you're doing an Eastern cruise and want to go to Anguilla but not do the dolphins (or the dolphin spectator), Shoretrips has a much cheaper (though still expensive) alternative.
TIP - if you want to go to Anguilla - it's easy, take a taxi from the pier, have them just take you to the port in Marigot, hope on the ferry and go over, then have a taxi take you to Shoal Bay. Arrange a pickup time, and remember to allow enough time to gt back across the island. Just be careful, traffic on St. Maarten can be a nightmare, so if your not on a Disney excursion, the boat could leave without you!!
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