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Suggest a Feature →Greater San Juan, Puerto Rico
The only active Army installation in the Caribbean — island living with full military support.
Fort Buchanan is a small Army installation 10 minutes from downtown San Juan, primarily supporting Army Reserve and National Guard operations in the Caribbean. It's the only active Army post in Puerto Rico and one of the most geographically unique assignments in the U.S. military. The post footprint is modest but it's embedded in the San Juan metro area with 2 million people.
Puerto Rico is genuinely a different world — Afro-Caribbean culture, Spanish as the primary language, extraordinary beaches (including Flamenco Beach on Culebra, consistently rated one of the best beaches in the world), a world-class rum industry, and some of the most biodiverse rainforest in the hemisphere. The cost of living is moderate by U.S. standards, there's no state income tax, and the island lifestyle is immediately compelling.
Must Eat
The spots worth eating at before you PCS out.
La Bombonera (Old San Juan)
"Old San Juan institution since 1902. The definitive mallorca sandwich."
La Bombonera has been serving mallorcas (sweet Portuguese-style rolls filled with ham, cheese, and powdered sugar) since 1902 in the heart of Old San Juan. It's the quintessential Puerto Rican breakfast spot — strong coffee, mallorca sandwiches, and an interior unchanged for decades.
Go early for breakfast. The mallorca con jamón y queso is the item. Take it with a café con leche. The line moves fast.
El Jibarito (Old San Juan)
"Authentic mofongo, pernil, and the genuine Puerto Rican table."
El Jibarito in Old San Juan serves the definitive Puerto Rican home cooking menu — mofongo (mashed green plantains with garlic and pork cracklins), pernil (slow-roasted pork shoulder), arroz con gandules (rice with pigeon peas), and tostones. Unfancy, filling, and completely authentic.
No reservations. Get there early for lunch — tables fill fast and they run out of daily specials. The mofongo al pilón (made at the table in a wooden mortar) is the signature.
Lote 23 (Santurce)
"San Juan's most dynamic food and bar market. Local, young, vibrant."
Lote 23 in Santurce is an open-air food truck and vendor market that's become the center of San Juan's revitalized food scene — local craft beer, creative Puerto Rican-fusion food vendors, and a social scene that reflects the island's creative energy.
Thursday through Saturday evenings are the best times. The Santurce neighborhood (La Placita) surrounding it has some of the best bars and restaurants in San Juan.
Outdoor
Get outside. The land around military installations is usually the best reason to be there.
Flamenco Beach, Culebra Island
"Consistently rated one of the top 10 beaches in the world."
Flamenco Beach on Culebra Island is a crescent of white sand and turquoise Caribbean water that legitimately ranks among the world's best beaches. The island is accessible by ferry from Fajardo (90 min) or by a short flight from San Juan. The snorkeling at Carlos Rosario Beach (a short walk from Flamenco) is some of the best in the Caribbean.
Take the early morning ferry on a weekday to avoid weekend crowds. Bring your own snorkel gear — rentals on Culebra are limited. Stay overnight if possible — the island empties out after day-trippers leave.
Culture & History
Places with stories. Most military towns sit on deep history — dig in.
Old San Juan
"The oldest city under U.S. jurisdiction. Cobblestones, forts, and full-color Caribbean life."
Old San Juan is one of the most beautiful historic cities in the hemisphere — 500-year-old colonial Spanish architecture painted in pastels, blue cobblestone streets, El Morro and San Cristóbal fortresses overlooking the harbor, and a street life that runs from morning coffee through midnight bar-hopping. UNESCO World Heritage Site.
El Morro and San Cristóbal are managed by the National Park Service — free with America the Beautiful or military discount. Walk the fortification walls above the harbor at sunset.
Family
Stuff to do with the kids. Rated by people who have brought actual children.
Luis A. Ferré Science Park (Bayamón)
"Puerto Rico's science and culture park. Planetarium and outdoor exhibits."
The Luis A. Ferré Science Park in Bayamón has a planetarium, aerospace exhibits (including a replica of Puerto Rican astronaut Franklin Chang-Díaz's space shuttle mission), natural history museum, and extensive outdoor grounds.
Military discount available. Excellent for kids of all ages. Combine with a Bayamón market visit for an inexpensive family day.
Day Trips
When you need to remember there's a world outside the gate.
"Former Navy bombing range turned eco-tourism island with wild horses"
Vieques was a U.S. Navy bombing range until 2003. The former military land is now a National Wildlife Refuge with some of the most pristine beaches in the Caribbean, wild horses roaming freely, and Mosquito Bay — the brightest bioluminescent bay in the world.
"Puerto Rico's second city. The Museo de Arte de Ponce alone is worth the drive."
Ponce is Puerto Rico's second-largest city with a beautifully restored historic plaza, the Museo de Arte de Ponce (one of the finest art museums in the Caribbean), and a distinct culture that considers itself proudly different from San Juan.
"The former radio telescope site and the karst countryside"
The Arecibo Observatory (famous from GoldenEye) collapsed in 2020 but the surrounding karst limestone landscape — mogote hills, caves, and the Camuy River Cave Park — is extraordinary. The Camuy Caves are among the most spectacular cave systems in the Western Hemisphere.
Learn basic Spanish immediately. Puerto Rico is a U.S. territory but Spanish dominates daily life. Even basic courtesy phrases open doors significantly.
Hurricane season (August-October) is real. Have a plan, know the evacuation procedures, and keep supplies stocked from July onward.
The commissary and military system on Fort Buchanan are well-stocked but limited compared to stateside posts. Costco in San Juan is the supplement.
El Yunque, Flamenco Beach, and the bioluminescent bay are three of the most extraordinary natural experiences in U.S. territory. Do all three within your first 90 days.
The Santurce and Condado neighborhoods of San Juan have the best restaurant and bar scenes for military families. La Placita on Friday night is the community gathering point.
Fort Buchanan has limited on-post amenities and the installation is small by any Army standard. Hurricane season requires active preparation and awareness. Infrastructure challenges (power outages, road quality) are more common than on mainland posts. The post itself is unremarkable. San Juan and Puerto Rico, however, are extraordinary — and soldiers who engage with the island culture, the beaches, and the outdoor experiences consistently rate it among their most memorable assignments.
This guide is built by people who've been stationed here. If there's a spot we got wrong or a gem we missed, tell us.