Bovoni Cay, Patricia Cay, and Cas Cay lie within the protected mangrove lagoon offshore the community of Nadir and are ideal for exploring in a kayak. Virgin Islands Ecotours (Estate Nadir, 340/779-2155, www.viecotours.com [1]) offers guided kayak tours of the area, plus trips to Cas Cay. The mangrove tour brings you up close to an important fish nursery where you might also see large and graceful rays. The Cas Cay tour includes a hike around 15-acre Cas Cay, part of the Virgin Islands National Park.
The Cas Cay trip is $80 for adults, $50 for children 4–13. The kayak and hike tour is $75 for adults and $45 for children 4–12. Children under 4 are free.
Links:
[1] http://www.viecotours.com