The island is named after its second owner, one Luis Peña.
- IPA(key): /ˌkaʝo ˌlwis ˈpeɲa/ [ˌka.ʝo ˌlwis ˈpe.ɲa]
- IPA(key): (everywhere but Argentina and Uruguay) /ˌkaʝo ˌlwis ˈpeɲa/ [ˌka.ʝo ˌlwis ˈpe.ɲa]
- IPA(key): (Buenos Aires and environs) /ˌkaʃo ˌlwis ˈpeɲa/ [ˌka.ʃo ˌlwis ˈpe.ɲa]
- IPA(key): (elsewhere in Argentina and Uruguay) /ˌkaʒo ˌlwis ˈpeɲa/ [ˌka.ʒo ˌlwis ˈpe.ɲa]
- Syllabification: Ca‧yo Luis Pe‧ña
Cayo Luis Peña m
- An island in Culebra, Puerto Rico