The Bay Improvement Group (B.I.G.) is a not-for-profit 501(c)3 coalition of residents, businesses, and community groups dedicated to the preservation, revitalization, and planning of Sheepshead Bay, Brooklyn. BayFest, held the third Sunday of every May and our biggest event of the year, is a free music festival on a main stage and ten piers along with waterfront held to celebrate Sheepshead Bay, a unique maritime community minutes from the Atlantic Ocean.