South of the mainland of Alaska?

South of the mainland of Alaska lies the Gulf of Alaska, which is bordered by several coastal islands and the Aleutian Islands extending toward the Bering Sea. This region is known for its stunning natural beauty, including fjords, glaciers, and diverse marine life. Additionally, the area is home to various indigenous cultures and communities, as well as opportunities for outdoor activities like fishing, kayaking, and wildlife viewing. The southern coastline is also a popular destination for cruises and tourism.