Just grab a cab to this goreous free beach (many charge for chairs/umbrellas/hammocks).
We adored this beach, and wish we had spent all day there (Carlos & Charlies was entertaining, but the beach is better!)
Great food, service, $5 wristband gets you use of kayaks, floats, snorkel gear (w/ deposit). Tramp and rock wall in water. Henna, massages, jet skis, shops.
But the breathtaking, relaxing beach was the best!
I'm sure there are other wonderful excursions, but for a beach day, you cannot beat the value of this one!
Happy cruising!
Kristin