Playa Potrero Grande is primarily a surf beach with conditions best suited for experienced surfers rather than casual swimmers. The beach experiences significant waves and currents that can be challenging and potentially dangerous for inexperienced swimmers. Its isolated location within Santa Rosa National Park means no lifeguards or immediate emergency services. The beach's appeal to experienced surfers indicates powerful wave action. If you're not a confident swimmer or surfer, it's best to enjoy the beach from shore. The remote setting requires self-sufficiency and good judgment about ocean conditions. Always assess conditions carefully before entering the water.

The best surfing conditions at Playa Potrero Grande typically occur during the dry season from December through April, when swells are consistent and weather is favorable. However, surf conditions on Costa Rica's Pacific coast can be good during various times of year depending on swell direction and size. The beach's isolated location on the Santa Elena Peninsula exposes it to open ocean swells. For fewer crowds, shoulder season or rainy season may offer excellent waves with more solitude, though access becomes more challenging. Experienced surfers should monitor swell forecasts and consider the trek required to reach this remote surf spot.

Reaching Playa Potrero Grande requires significant effort as it's located within remote Santa Rosa National Park on the Santa Elena Peninsula. Access typically involves either a long, challenging hike through the park requiring permits and preparation, or boat access from nearby coastal areas. The park entrance is off the Inter-American Highway north of Liberia. From the entrance, expect several hours of hiking over rough terrain, or arrange boat transport with local operators. A 4WD vehicle is essential for reaching trailheads. Due to the isolation and difficulty, most visitors are experienced surfers or adventurers prepared for backcountry conditions.

Playa Potrero Grande has no food or lodging facilities due to its protected status within Santa Rosa National Park and extreme isolation. Visitors must be completely self-sufficient, bringing all food, water, camping gear, and supplies. Some surfers camp on the beach if permitted by park regulations, while others make long day trips via boat. The nearest accommodations and services are in communities outside the park, such as La Cruz or areas near the park entrance. This is a true wilderness beach requiring backcountry camping skills and preparation. Always check current park regulations regarding camping and obtain necessary permits before visiting.

Playa Potrero Grande is prized by experienced surfers for its isolation, consistent waves, and uncrowded conditions on Costa Rica's remote Santa Elena Peninsula. The effort required to reach it—either by boat or challenging overland trek—means only dedicated surfers make the journey, resulting in pristine, uncrowded lineups. The beach's exposure to open Pacific swells creates powerful, quality waves. Its location within Santa Rosa National Park ensures protection from development, preserving its wild character. For adventurous surfers seeking remote waves and willing to work for them, Potrero Grande offers a true frontier surfing experience unlike more accessible Costa Rican surf spots.