You may fish, rent boats from one of several marinas, learn to water-ski, or just watch weekend sailboat races at the 8½-mi-long, 1½-mi-wide Saratoga Lake.Brown's Beach, the only public beach on Saratoga Lake, is open June through Labor Day ($6). It's about 7 mi east of downtown Saratoga Springs. 712 Rte. 9P, Saratoga Springs, NY, 12866. 518/587–8280.