a separate outdoor area. Outdoor exhibits also showcase marine mammal species native to the Oregon Coast, including sea otters, harbor seals, and sea lions. There is even a coastal cave that houses a giant Pacific octopus. The rocks in the outdoor exhibit are artificial rocks constructed of gunite. The Aquarium is also home to a nature trail that overlooks the Yaquina Bay estuary and features native plants and free-roaming wildlife. See also Hatfield Marine Science Center, marine research and education facility adjacent to the Oregon Coast Aquarium Yaquina Head Outstanding Natural Area, view protected Oregon Islands National Wildlife Refuge and a historic lighthouse, from the aquarium Sea Lion Caves, a nearby tourist attraction near Florence, Oregon Portland Aquarium, aquarium in southeast Portland targeting ages 3 to 12 References External links Aquaria in Oregon Newport, Oregon Oregon Coast Landmarks in Oregon Zoos established in 1992 Buildings and structures in Lincoln County, Oregon Tourist attractions in Lincoln County, Oregon 1992 establishments in Oregon