Y
- Yankee Fork Salmon River
- Yaquina Bay State Park
- Yardarm Condominium South
- Yawgoog Scout Reservation - Three Point
- Yerrill
- YMCA Camp Tockwogh (Youth Camp)
- Yonkers midchannel
- Yonkers STP Outfall
- York Avenue
- York Harbor Beach
- Yorktown
- Youghiogheny River at Boston, PA
- Youghiogheny River at Confluence, PA
- Youghiogheny River at Connellsville, PA
- Youghiogheny River at Friendsville, MD
- Youghiogheny River at Layton, PA
- Youghiogheny River at McKeesport
- Youghiogheny River at Ohiopyle, PA
- Young State Park Beach