Puerto Rico is probably the most gay-friendly island in the Caribbean. San Juan has a well-developed gay scene, especially in the Condado district (and also now in Santurce) for Puerto Ricans and visitors. Vieques and Culebra have become popular destinations for an international mix of gay and lesbian expatriates and travelers. Rincón, whilst some way behind these other destinations in specifically gay venues, is a gay-friendly destination too. Ponce and Mayagüez, as sizeable university cities, are also liberal places.
In the cities and in major resort areas, it is easier for gay men and women to live their lives with a certain amount of openness. As you travel into the middle of the island, it is more difficult to be out, as people are not used to seeing same-sex couples holding hands or displaying affection publicly.
As of 2015, same-sex couples can legally marry and apply to adopt.
Purple Roofs (www.purpleroofs.com/caribbean/puertorico.html) Comprehensive site that has gay-owned and gay-friendly accommodation listings across Puerto Rico.
GayCities (http://puertorico.gaycities.com) Read reviews of hotels, restaurants and clubs written by and for gay travelers.