Split image of hard coral formations near the coast and the Koolau mountains in the background, Kaneohe Bay, Oahu, Hawaii, United States of America, Pacific

color image corals coast coral cove coves day hawaii horizontal landscape landscapes marine life mountain mountains natural world nature oahu ocean outdoors pacific ocean pacific scenics surface level surface united states of america underwater water oceans coasts seascape seascapes reef reefs coral reef coral reefs koolau island islands hard coral hard corals usa