Youth Group Lock InFriday, September 21, 2018, 9:00 PM - Saturday, September 22, 2018, 8:00 AM Location: Grace Presbyterian Church, 1225 Montauk Highway, Water Mill, NY US 11976Coordinator: Lesley MiddlekauffDownload: Download EventWe have a whole night of fun packed! So, invite your friends and join us for an overnight at the church. Contact or call (631) 726-6100 if you have questions.