Samoan Islands with black sand beaches. The highest peak is Mt. Silisili, on the island of Savai'i, one of the highest peaks in Polynesia at . The highest point in American Samoa is on Ta’u, Lata Mountain, at . The two large islands of Upolu and Savai'i in Samoa, are among the largest of Polynesian islands, at and , respectively, exceeded in size only by the two main islands of Fiji and the Hawaiian islands of Hawaiʻi and Maui. The island of Upolu is more populated than Savai'i. The next largest island is Tutuila, where the city and harbor Pago Pago (population
Hawaiian Islands Humpback Whale National Marine Sanctuary Hawaiian Islands Humpback Whale National Marine Sanctuary The Hawaiian Islands Humpback Whale National Marine Sanctuary is one of the world's most important whale habitats, hosting thousands of humpbacks ("Megaptera novaeangliae") each winter. The sanctuary encompasses in the islands' waters. It was designated by United States Congress on November 4, 1992, as a National Marine Sanctuary to protect the endangered North Pacific humpback whale and its habitat The sanctuary promotes management, research, education and long-term monitoring. With its boundaries including waters from the shoreline to depths of in many areas, the sanctuary encompasses a variety of marine ecosystems, including seagrass beds