What should I avoid in San Juan?

The dining split in San Juan is geographic. Calle Fortaleza between Plaza de Armas and the cruise port caters to ship passengers on 6-hour shore-leave clocks. Laminated photo menus, sidewalk hosts, $28 mofongo. Prices run 40-60% above Calle Sol or Calle Luna one block over. Walk south. The real food neighborhoods reward the extra 10 minutes. La Placita de Santurce fills Thursday through Saturday nights, the square thick with garlic sofrito from the alcapurria fryers. A plate of arroz con gandules costs $8-12 at the perimeter counters. Medalla Light is $2. Calle Loíza has become Santurce's dining street over the past 5 years, anchored by Lote 23, a container-village food park where 8 vendors share a courtyard and most plates stay under $15. In Miramar along Calle Canals, newer restaurants serve plantain mofongo and chillo frito at neighborhood prices. La Taberna Lúpulo on Calle San Sebastián pours local craft beers for $6.

Don't drive in Old San Juan. The streets around Plaza de Armas date to the 1520s, built for horse carts. Parking garages charge $25-30 per day, the one-way grid loops you past the same blue adoquín cobblestones three times, and afternoon rain turns the stone slick. A free trolley runs from the cruise port toward Castillo San Felipe del Morro. Uber and Lyft both operate on the island, with rides from SJU to Condado running $10-14, though surge pricing on cruise-ship mornings can double that. The Tren Urbano connects Bayamón to Sagrado Corazón station in Santurce for $1.50 per ride, useful from Hato Rey or Río Piedras. AMA buses run along Avenida Fernández Juncos through Santurce for $0.75, though frequency drops after 8pm. For El Yunque or the west coast, rental cars from Isla Verde agencies run $40-55 per day. Worth it outside the metro area, unnecessary within it.

La Perla sits between the old city walls and the Atlantic, north of Calle Norzagaray. It appeared in the Despacito video in 2017 and looks photogenic from the wall above, but locals will tell you not to walk through after dark. San Juan's solo-traveler safety score is 5.8 out of 10 (cities.solo_safety_score). La Perla and Puerta de Tierra after midnight shape that number more than anywhere else. Condado and Isla Verde feel safe on foot until late, with warm salt air off the beach and restaurant noise spilling onto the sidewalks. Ocean Park, the residential stretch between them, tends to be mellow. Santurce south of Avenida Fernández Juncos gets quiet on weeknights after 10pm, but the Calle Loíza corridor keeps enough foot traffic for comfort. Miramar, across the Condado Lagoon, stays calm at night. Río Piedras near the University of Puerto Rico campus stays busy during the day but empties by 9pm. The weekend produce market near Paseo de Diego is worth the morning trip for street food and fresh spices.

María struck in September 2017, and locals still reach for that reference when storms come up. Hurricane season runs June through November, peaking in September. If you're booking August through October, check the National Hurricane Center forecast before committing to nonrefundable flights. Puerto Rico's heat catches first-timers off guard. At 28°C with 82% humidity, the feels-like temperature reaches 32°C by 10am from May through November. The San Juan National Historic Site opens at 8:30am. Start the fortress walks at El Morro and San Cristóbal then, before the sun turns the stone ramparts into a griddle under your shoes. Rip currents at Condado Beach and Ocean Park pull hard after storms. The red-flag system is reliable. If the flag is red, stay at your knees. Locals swim at Balneario de Carolina in Isla Verde, where the shelf is gentler and lifeguards post on weekends.

San Juan has better versions of nearly everything the tourist circuit sells. If rum interests you, skip the 90-minute round trip to Cataño. La Factoría on Calle San Sebastián sits in a warm wood-paneled room that smells like citrus peel and aged barrel staves. A glass of Ron del Barrilito 3-Star costs $8-12. For El Yunque, rent a car and drive the 40 minutes from Isla Verde. The Juan Diego Creek trail is quieter than the crowded La Mina Falls path, and you might have the swimming hole to yourself on a weekday morning. Warm rain drips through the canopy onto volcanic rock. Piñones, 10 minutes east of Isla Verde, has a boardwalk lined with food kiosks. Bacalaítos and alcapurrias cost $2-3 each, and the coconut water comes fresh from the shell. The boardwalk path continues east along the coast toward the town of Loíza.