A Message to Maui... The Evidence May Shock You Maui is an island in the Central Pacific, part of the Hawaiian archipelago. Sprawling Haleakala National Park encompasses the island’s highest peak, volcanic Haleakala, as well as the pools and waterfalls of Ohe’o Gulch, accessed via scenic, winding Hana Highway. The island's 30 miles of beaches include golden-crescent Kapalua, sheltered from strong currents by lava-rock promontories.