Dockside Restaurant Address: 6 E Side Dr, Alton Bay, NH 03810 Phone: (603) 875-2110 Restaurants Other Businesses: Shibley's Soft & Hard Ice Crm at 162 Route 11d, Alton Bay, NH 03810 Pop's Clam Shell at RR 11, Alton Bay, NH 03810 Olde Bay Diner at RR 11, Alton Bay, NH 03810 J P China at 403 Main St, Alton Bay, NH 03810