San Lorenzo Marine Archipelago National Park: planning guide
Islands and waters in the Gulf of California off Baja California. Desert islets, sea lions, and boat-only access.
San Lorenzo Marine Archipelago National Park is in Baja California, Mexico. The nearest town is San Luis — roughly 82.6 km (51.3 mi) out, about 1 hr 40 min of driving.
When to go
Best window: March through May, then October through November. Shoulder season: February and early December.
Summer highs regularly clear 100 °F / 38 °C. Winter is pleasant by day but nights drop below freezing at elevation.
Summer heat is the real hazard, not the crowds. Hike at dawn, skip exposed trails after mid-morning, and never rely on finding water.
Full seasonal breakdown for San Lorenzo Marine Archipelago National Park
Closest towns and cities
| Town | Distance | Estimated drive |
|---|---|---|
| San Luis | 82.6 km (51.3 mi) | 1 hr 40 min |
| El Rosario de Arriba | 300 km (187 mi) | 4 hr 52 min |
| San Felipe | 307 km (191 mi) | 4 hr 58 min |
| Luis Rodríguez (El Vergel) | 333 km (207 mi) | 5 hr 21 min |
| Colonia Nueva Era | 342 km (213 mi) | 5 hr 29 min |
| Pueblo Benito García | 344 km (213 mi) | 5 hr 30 min |
| Lázaro Cárdenas | 344 km (214 mi) | 5 hr 31 min |
| San Quintín | 348 km (216 mi) | 5 hr 34 min |
Where San Lorenzo Marine Archipelago National Park sits
Official San Lorenzo Marine Archipelago National Park site — hours, closures, and fees.
Parks you could combine with it
- Sierra de San Pedro Mártir National Park
Pine forest and the National Astronomical Observatory in the mountains of Baja California. Cool high country above the desert.
- Bahía de Loreto National Park
Sea of Cortez islands and waters around Loreto in Baja California Sur. Desert mountains drop to blue water, whales, and kayak country.
- Saguaro National Park
Sonoran Desert outside Tucson with stands of tall saguaro cactus. Best in cooler months; summer heat is serious.
- Constitución 1857 National Park
Pine forest, meadows, and small lakes in the Sierra de Juárez of northern Baja California. Cool mountain country above the desert.
Common questions
Where is San Lorenzo Marine Archipelago National Park?
San Lorenzo Marine Archipelago National Park sits in Baja California, Mexico, and the closest town of any size is San Luis — about 1 hr 40 min away.
When is the best time to visit San Lorenzo Marine Archipelago National Park?
Generally March through May, then October through November, with February and early December quieter on either side.