Built in 1838, the Selkirk Lighthouse still guards the Salmon River harbor at Lake Ontario, its beacon shining today for fishing charters that call the marina home and mariners and guests enjoying a special stay in this historic structure. JUST ANNOUNCED! The Salmon River (Selkirk) Lighthouse is now hosting an "Open House" for all interested parties. Third Sunday of each month April through November, 11:00 a.m. - 3:00 p.m. Gift items, beverages and snacks available in our Gift/Marina Store.