 The event also features mock gunbattles between two replicas of 19th century tall ships from the collection of the San Diego Maritime Museum.From June through September, nationally known musicians and comedians perform at an outdoor concert venue on Shelter Island.The area is a popular place for viewing the annual Big Bay Boom fireworks display on the Fourth of July, as well as the Parade of Lights, a December tradition in which boats decorated with holiday lights parade on the Bay to be viewed from the shore.