Your essential list
- Swimsuit and a light cover-up
- Reusable water bottle
- Reef-safe sunscreen—apply before boarding
- Towel and dry clothes for the ride back
- Hat and polarized sunglasses
- Motion-sickness remedy if you need it
Leave the reef better
Don’t touch coral or wildlife, and avoid carrying loose items that could blow overboard. If you use a camera, secure it with a wrist strap.