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- BoatUS Foundation4月 28, 2013In need of a kid-sized life jacket? Columbia Island Marina is part of the BoatUS Foundation Life Jacket Loaner Program, ask a staff member how you can borrow a life jacket for FREE!
- Scenic bike ride away from downtown DC! Cross the Arlington Memorial Bridge and head down Mount Vernon Trail - voila! 🚴🌊🚤
- Surfrider Foundation3月 8, 2011Take to the Potomac River on your stand-up paddleboard for free from Columbia Marina--they don't charge a launch fee!