Vieques, officially Isla de Vieques, is an island and municipality of Puerto Rico, in the northeastern Caribbean, part of an island grouping sometimes known as the Spanish Virgin Islands. Vieques is part of the Commonwealth of Puerto Rico, and retains strong influences from 400 years of Spanish presence in the island.
Vieques lies about 8 miles east of the Puerto Rican mainland, and measures about 20 miles long by 4.5 miles wide. Its most populated barrio is the town of Isabel Segunda, the administrative center located on the northern side of the island. The population of Vieques was 8,249 at the 2020 Census.
Wikipedia https://en.wikipedia.org/wiki/Vieques,_Puerto_Rico
Coordinates 18°7'24.347" N -65°26'29.398" E