Complex sentence: Originally popular for canoeing, the Winchester Boat Club now serves as a home base for locals wishing to enjoy the Mystic Lakes with a casual sailing outing or a competitive regatta, and in the summer it is a popular meeting place for local families and their children.
Split into simpler sentences: Originally popular for canoeing, the Winchester Boat Club now serves locals wishing to sail casually or competitively on the Mystic Lakes. In the summer it is a popular meeting place for local families and their children.