Home REI Co-op Kayak Rentals at National Harbor Share Experience National Harbor from the water. Rent a kayak, SUP, or pedal boat by the hour—no experience necessary! Website Email Save Address 168 National Plaza National Harbor, Maryland 20745 Phone (301) 241-7549 Hours May 11, 12, 18, 19: Open 1pm-8pm Starting May 25: Mondays & Tuesdays: Open 5pm-Sunset Wednesday: 1pm-Sunset Thursdays & Fridays: Open 11am-Sunset Weekends & Holidays: Open 10am-Sunset Amenities Amenities Accessible Celebrations Family Friendly Team Building Water Activity