Regatta activity is a type of competitive event that involves boats and watercrafts. YACHTING, which is an 8-letter word, is a recreational activity or sport involving sailing, racing, or navigating a yacht. Oaring, a 6-letter word, is the use of oars to propel a boat or other watercraft through the water. Sailing, a 7-letter word, is the activity of using wind power to propel a boat on the water. All three activities are popular regatta activities.