The term North Pacific Island refers to the island of ATTU, located in the Aleutian Islands of Alaska. ATTU is the westernmost and largest island in the Near Islands group of the Aleutian Islands. It is the only part of the United States that is part of the North Pacific Ocean. ATTU is home to a variety of wildlife, including seabirds, sea lions, and whales. The island is also known for its rugged terrain and harsh climate.