Round Rock is an uninhabited island in the British Virgin Islands, to the south of Virgin Gorda, east of Ginger Island and close to Fallen Jerusalem Island.
The island provides habitat for the crested anole, the common Puerto Rican ameiva, a type of skink, and the big-scaled least gecko.
Wikipedia https://en.wikipedia.org/wiki/Round_Rock,_British_Virgin_Islands
Coordinates 18°23'54.1" N -64°27'27.241" E