Airports 451 to 500
Seattle Police Harbor Patrol Heliport
Seaplane Scenics at Carillon Point Seaplane Base
Kenmore Air Harbor Seaplane Base
Seattle Seaplanes Seaplane Base
US Border Patrol Oroville Heliport
Greenway Sound Seaplane Base
Broughton Island, British Columbia, Canada — 281 km (152 nm) WNW
St Michael Medical Center Bremerton Heliport
Kemper Development Company Helipad
Alert Bay Airport
Washington National Guard Sinclair HGTS Heliport
Sullivan Bay Seaplane Base
Sullivan Bay, British Columbia, Canada — 287 km (154 nm) WNW