Named by Advisory Committee on Antarctic Names (US-ACAN) in 1988 after Athelstan Spilhaus (b. 1911), meteorologist and oceanographer; member of the U.S. National Committee for the IGY, 1957–58, and of the National Science Board, 1966-72.
Cook Inlet | Beaufort Inlet | Rankin Inlet | Pond Inlet | Athelstan Spilhaus | Teal Inlet | Ocracoke Inlet | Murrells Inlet, South Carolina | Case Inlet steamboats | Burrard Inlet | Bathurst Inlet | Aireys Inlet | Wingan Inlet | Shinnecock Inlet | Sebastian Inlet | Ponce Inlet, Florida | Hamilton Inlet | Geikie Inlet | Chesterfield Inlet | Budd Inlet | Anderson Inlet's intertidal mudflats are of world importance for Red-necked Stint | Admiralty Inlet |