From the beginning of 18th century Kronstadt has been a sea-port. So Kronstadt port needed lighthouses for safe navigation. The oldest lighthouse of Russia was constructed in Kronstadt. The Tolbukhin lighthouse was opened in 1719. It was a wood tower with weak lights. The lighthouse is situated on a small artificial island 3 miles west of the Kotlin island. During its history the Tolbukhin lighthouse was reconstructed several times. The present building of the lighthouse was erected in 1810. Height of the tower is30 meters. This is a long flashing lighthouse with white color of the lights.