The Metro Swim League is a Winter League organized to provide competitive swimming activities for the youth of member clubs. These activities are intended to be a source of enjoyment wherein the children can improve their swimming skills, as well as learn good sportsmanship. League Membership The Metro Swim League is composed of the following Member Clubs: British Swim School Barracudas Concord Recreation Otters Flaherty Dolphins Hayden Dolphins Longfellow Stingrays Mystic Swimming Killer Whales Suburban Sharks Swymfit Swordfish Thoreau Sharks Wayland Junior Warriors Wayside Waves Westford Dolphins