Sääretükk Lighthouse (Estonian: Sääretüki tuletorn) is a lighthouse located on the island of Saaremaa, in Estonia.[2] The lighthouse was built in 1954, with a concrete structure. With an automatic glare configuration since 1995, with the sequence of: 0.5 s on, 1 s off, 0.5 s on, 8 s off.[3]