Peconic Dunes 4-H Camp Open House Days - Peconic Dunes Camp Date: 03/04/12 Hours: 10am-2pm Ages: YE,TW,TE,AD Address: 6375 Soundview Ave. - 631-852-8629 Peconic , NY 11971 peconicdunes.com Description: Come tour the summer camp, peek into the cabins, and view the beautiful sandy beach and freshwater lake. Peconic Dunes Camp is located along the shoreline in Southold Town. Day and overnight camp opportunities for youth ages 6-16.