[1] It runs about 1 mile (1.6 km) mile offshore from a southern boundary off Depoe Bay, though some references have it going as far south as Cape Perpetua[1] to a northern boundary off Lincoln City, Oregon,[2] though a northern boundary of Cascade Head is in some references.
[3] The reef is rocky and is believed to comprise a few fairly large continuous rock structures and a wide expanse of smaller structures.
[4] It has been written as about 1 mile (1.6 km) offshore from Lincoln City, Oregon.
Massive structures, up to 20 metres (66 ft) vertical to several 10 feet (3.0 m) across are found there.
These are covered with the anemone Metridium giganteum which seem abundant in a shallow area locals known as "Tacklebuster Reef."