Woods Hole Fourth of July Parade - July 4.
"... unique, science-themed parade will begin at 12 noon at the entrance to the Woods Hole Oceanographic Institution parking lot, located on School Street in Woods Hole. The long-time Wood Hole tradition, organized by the Marine Biological Laboratory (MBL), brings students, scientists, locals, and visitors together to celebrate Independence Day with costumes, dancing, and music."
Parade route - down School Street to Water Street in Woods Hole.
Free watermelon after the parade, courtesy of the MBL, in Waterfront Park, 100 Water Street.