Our favorite water excursion while staying on GCM was the jet ski excursion with Fat Fish Adventures. Amazing day spent with a small group and a more personal experience at the sandbar and the reef. We took their last excursion of the day which gives you more time at the same price to hit Rum Point and other spots. They manage to work around the larger groups of cruise ship passengers, especially on the later excursion.

Excellent day and top-notch outfit!

Also if you are staying on or near SMB consider taking the free ($5pp now) Red Sail cat to Rum Point for dinner - very nice evening, and the ride from Safehaven Dock is nice as well, returning under the stars. Check days offered, it was Tues - Sat.