Yes, businesses and activities are open at full capacity, but some establishments like spas may require proof of a negative test or vaccine - it is recommended to check prior. Masks are required in all indoor spaces, regardless of vaccination status.
https://www.discoverpuertorico.com/info/travel-guidelines
www.travelsafe.pr.gov
All passengers must complete an online Travel Declaration Form from the Puerto Rico Health Department, which can be accessed at www.travelsafe.pr.gov All travelers must obtain an Airport Exit Confirmation number and QR Code, which travelers will automatically receive when completing the Travel Declaration form and uploading their PCR molecular test results or proof of vaccination to the Puerto Rico Health Department’s online portal.
Non-vaccinated passengers must demonstrate a negative PCR molecular or antigen COVID-19 test result (which consists of a nasal or throat swab), taken no more than 72 hours prior. Results will need to be uploaded to PR's travel portal (www.travelsafe.pr.gov).
Fully vaccinated travelers are required to upload their official Vaccination Card, as proof of vaccination through the Travel Declaration Form portal (www.travelsafe.pr.gov). A copy will not be accepted.
Yes. Any domestic traveler above the age of 2 who is not vaccinated or any international traveler must get tested and present a negative PCR molecular or antigen COVID-19 test result upon arrival.
Given Puerto Rico is a U.S. territory, the destination is excluded from the CDC requirement and you do not need to provide a negative COVID-19 test result to return to the mainland United States. The CDC still recommends getting tested 3 – 5 days after arrival and staying home for 7 days post-travel. Quarantine mandates, recommendations, and entry requirements may vary by state.