One of the practical advantages of Puerto Rico being a US territory is the presence of familiar American retail infrastructure. You can absolutely find Costco, Walmart, and other mainland chains. But understanding the full grocery landscape — including the local options that are often better and always more culturally interesting — makes your stay easier and more enjoyable.
Costco
Yes, Puerto Rico has Costco — and in fact has three warehouse club locations:
- Costco Caguas (Avenida Las Catalinas, Caguas) — largest and most convenient for visitors staying in San Juan heading south
- Costco Bayamón — western San Juan metro area
- Costco Humacao — east coast, convenient for those staying near Fajardo
The Costco formula is identical to the mainland: bulk quantities, $1.50 hot dogs, good wine and spirits selection, and the rotisserie chicken. Puerto Rico Costco locations are popular and busy, particularly on weekends. Standard US Costco membership works. Note: items that require refrigeration during mainland shipping (certain dairy, meat) can sometimes be slightly more expensive than US mainland Costcos due to island import logistics.
Walmart
Walmart has multiple locations across the island — more than a dozen Puerto Rico Walmart Supercenters including locations in Caguas, Bayamón, Aguadilla, Arecibo, and Ponce. The Puerto Rico Walmarts are full Supercenters with grocery departments, electronics, clothing — the standard format. One notable difference: the food section in Puerto Rico Walmart stocks more Caribbean-specific products (plantains, sofrito, sazon, a wide selection of Puerto Rican condiments) than your mainland location.
Sam's Club
Sam's Club (also Walmart-owned) has locations in Caguas and Bayamón. Similar to Costco in format, slightly cheaper membership. Popular with businesses and large families.
Local Supermarket Chains
Mr. Special / Econo: Puerto Rico's most widespread local supermarket chain, with locations in most towns across the island. Competitive prices, strong local product selection, and the best place to find Puerto Rican brands. The sofrito, sazon, and Café Yaucono coffee selection at Econo is better than at any mainland chain.
Pueblo Supermarkets: Positioned slightly upmarket from Econo, with better prepared food sections and an excellent fresh seafood counter. Good for picking up ready-to-eat items.
Selectos Supermarkets: Found primarily in the San Juan metro area. Clean, well-stocked, good fresh produce and butcher sections.
Ralph's (BJ's-affiliated): Warehouse club operating mainly in the northeast. Less common but useful if you're staying in the Fajardo area.
Colmados — The Neighbourhood Store
The colmado is Puerto Rico's neighbourhood corner store — a combination of small grocery, rum bar, and community gathering point. Every residential neighbourhood has at least one. Open from early morning until late night (some 24 hours), they sell essentials: beer served from a cooler, rum by the bottle or shot, bread, canned goods, cigarettes, lottery tickets, and whatever the owner decided to stock that week. Prices are slightly higher than supermarkets for the convenience. The colmado is a cultural institution as much as a store — regulars sit outside on plastic chairs, there's usually a domiño game in progress somewhere, and the music is always on.
Farmers Markets and Local Produce
Mercado de Santurce (Santurce): Puerto Rico's oldest and most animated public market. Fresh tropical fruits (chironja, quenepas, tamarind, star fruit), vegetables, fish, Puerto Rican condiments, and prepared food. Open daily mornings except Sunday. Become La Placita's outdoor party scene on Thursday–Saturday evenings.
Agricultural fairs and town plazas: Many Puerto Rican municipalities host weekend agricultural markets with local farm produce, artisanal food products, and coffee directly from mountain fincas. Check local event listings for the town you're visiting.