These facilities are those that previously housed walruses in the past. Parks permanently closed are italicized.
This listing is kept as up to date as possible, however, may not be accurate or all-inclusive as animals enter and exit parks without documentation being made available to the public, as is common practice.
Royal Aquarium (Westminster Aquarium)
Adventure-Zoo Hannover (Zoo Hannover)
Center for the Adaptation of Marine Mammals (Primorsky Dolphinarium, TINRO Center)
Dolphinarium AquaWorld (Delfinariy Nebug)
Zoorarium Ilsan (ThemePark ZooZoo)
Bronx Zoo (New York Zoological Park)
Six Flags Discovery Kingdom (Marine World / Africa USA, New Marine World Theme Park, Six Flags Marine World)
Six Flags Worlds of Adventure (SeaWorld Aurora)