The Annual Holiday Boat Parade of Lights will be held December 2, 2017. A must see in Alexandria’s harbor where you can watch more than 50 illuminated sailing and power boats cruise along the Potomac River/The Alexandria Waterfront (behind the Torpedo Art Factory). Festivities begin at 4pm on the docks, boat parade is at 6pm. New this year! The Wharf development is open on the Southwest Waterfront and will be hosting its inaugural holiday events.