- Detroit Windsor Tunnel
- Algoma University
- Airport Shenandoah Wally Ridzhional
- Sebring Airport Ridzhional
- Airport Stillwater Ridzhional
- International Airport Seattle-Tacoma
- Airport Selawik
- Seward Airport
- Airport Seldovia
- Shelby Airport
- Airport database seaplane "False Island"
- Natural Park "brand name" in Portland