Swimming at Polihua Beach is generally not recommended due to strong currents, powerful waves, and lack of lifeguards. The beach faces the open ocean channel between Lanai and Molokai, creating hazardous conditions even for experienced swimmers. The shoreline is better suited for beachcombing and photography. If you do enter the water, exercise extreme caution and never turn your back on the waves. This remote beach has no emergency services nearby, so prioritize safety over swimming.

Polihua Beach is accessible year-round, though summer months (May-September) typically offer calmer conditions and better weather. Winter brings larger swells and stronger trade winds, which can make the unpaved access road more challenging and the beach less comfortable. Morning visits are ideal for photography and wildlife viewing before afternoon winds pick up. The beach's remote north shore location means it can be windy any time of year, so bring layers and secure any lightweight items.

Polihua Beach requires a 4WD vehicle to access via a rough, unpaved road from Lanai City, approximately 45 minutes to one hour away. The rutted dirt track can be challenging, especially after rain. Most rental car companies on Lanai prohibit driving to Polihua, so verify your rental agreement. There's an informal parking area near the beach with no facilities. Many visitors access the beach through guided island tours that include 4WD transportation.

Polihua Beach is completely undeveloped with absolutely no facilities, restrooms, shade structures, or freshwater. You must bring all supplies, including drinking water, food, and sun protection. The nearest services are in Lanai City, about 11 miles away, where you'll find restaurants and two resort hotels. There are no beachside accommodations. Pack out all trash, as there are no waste receptacles. Plan as if visiting a wilderness area and be completely self-sufficient.

Polihua Beach, whose name means 'egg nest' in Hawaiian, is known as a nesting site for endangered green sea turtles, though sightings aren't guaranteed. Nesting season typically runs from May through September. If you encounter turtles or nests, maintain a respectful distance of at least 10 feet and never touch or disturb them, as they're federally protected. The beach's remote location and minimal human activity make it more conducive to turtle activity than busier beaches.