The lighthouse tower has a diameter of 3.75 meters at its base and rises to a height of 19 meters from the ground.
The lighthouse is categorized as a class-A lighthouse due to its critical location at the Black Sea entrance.
The masonry consists of 1-meter-thick stone walls designed to withstand harsh maritime weather conditions.
The lighthouse is one of the few in the world that remains active while being open to the public as a museum.
Its signal is visible from a distance of approximately 20 nautical miles in clear weather.
The Sile Lighthouse, commissioned by Sultan Abdülmecid in 1859, serves as the largest lighthouse in Türkiye and the second-largest in the world. It is positioned at the entrance of the Bosphorus to guide vessels navigating the Black Sea. The structure stands 60 meters above sea level and features a distinct black-and-white striped exterior. Its original optical system utilized a kerosene lamp and a rotating lens assembly, which has since been upgraded to modern LED technology. The lighthouse is currently an active navigation aid under the jurisdiction of the General Directorate of Coastal Safety. Its design includes a small museum space that showcases the history of maritime signaling in the region. Visitors can view the keeper's house, which is constructed from cut stone and reflects the mid-19th-century French architectural influence. The facility remains a primary point of interest along the northern coast of the Istanbul province.
The grassy vantage point directly to the west of the tower provides the best perspective of the lighthouse against the sea.
Walk along the cliffside paths surrounding the lighthouse for panoramic views of the Black Sea.
Carry a light windbreaker, as the coastal location is subject to strong winds even on sunny days.
Combine the visit with a walk through the nearby Sile town center to see traditional Ottoman-era wooden houses.
Do not attempt to climb the tower stairs if they are restricted for maintenance; respect all perimeter signage regarding restricted technical areas.
Museum hours may be limited during the winter season; the lighthouse exterior is visible year-round.