When hundreds or thousands of coral polyps build their skeletons close together, they create a calcium carbonate structure that provides habitat and food for a variety of organisms. This is known as a coral reef. Explore a virtual coral reef. More Info - Common Coral Forms; More Info - Fringing Reefs
Arch Cape is an unincorporated community in Clatsop County, Oregon, United States. It is located along the Pacific coast about 4 miles south of Cannon Beach. The Arch Cape post office, established in 1912, has ZIP code 97102. The community was named for a natural arch in the coastal rocks.
Haystack Rock is part of the Oregon Islands National Wildlife Refuge and is a State protected marine environment. Haystack Rock in Cannon Beach is one of the most recognizable and popular attractions on the Oregon coast. Its intertidal area is one of Oregon's seven Marine Gardens, a designation indicating its status as a protected area.