There is no entry fee for Buck Island Reef National Monument.
Visitors will, however, need to pay a fee to official park concessionaires for boat access to the park.
Did You Know?
Six thousand feet long and a half mile wide, uninhabited Buck Island rises 328 feet above sea level 1.5 miles north of St. Croix. It is made up of sedimentary rock layers deposited in deep water approximately 60 million years ago then pushed up and tilted.