Boston Light After 300 years of service, the Boston Lighthouse continues to guide ships into Boston Harbor. America's oldest Aid to Navigation was first lit on Sept. 14, 1716. Coast Guard photo by Petty Officer 3rd Class Andrew Barresi SHARE: Download: Full Size (6.06 MB) Tags: lighthouse, 1716-2016, Boston Light, Boston Lighthouse 300, Uscg, Coast Guard, Military Credit: Petty Officer 3rd Class Andrew Barresi VIRIN: 160808-G-SI450-022.JPG Photo Gallery