Octopus Hole Conservation Area is defined as those waters, tidelands, and bedlands of Hood Canal within a line projected due east from the western shore of Hood Canal on latitude 47°27'01"N for 200 yards, thence southerly 628 yards parallel to the high watermark to latitude 47°26'40", thence due west to shore.

Similar to the close-by Sund Rock conservation area, Octopus Hole is very popular with scuba divers who enjoy diving the walls associated with the site to view various underwater creatures, including lingcod, giant Pacific octopus, wolf eel, sea cucumber, and nudibranch.

Recreational and technical divers alike find Sund Rock attractive for various reasons.

Technical divers enjoy the deeper walls and other areas that allow them to dive well beyond recreational limits.

Like most sites on the mid to southern Hood canal, this area is not currently sensitive.