At the north end of Pillsbury Sound, a string of small, uninhabited cays stretch from St. Thomas to St. John, and the brightest jewel in this string, Grass Cay, boasts lush coral gardens attended to by throngs of parrot, butterfly, and myriad other

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At the north end of Pillsbury Sound, a string of small, uninhabited cays stretch from St. Thomas to St. John, and the brightest jewel in this string, Grass Cay, boasts lush coral gardens attended to by throngs of parrot, butterfly, and myriad other reef fish. Dive boats moor up close to the shore in less than ten feet of water—perfect for new divers who want to take it slow. From there, progress down the soft coral-covered slope to the sandy sea floor, where spur-and-groove reef formations run east and west in a veritable maze of living topiary.

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