Villa Sarvilinna rises along the long Strömi waterway, which divides the archipelago of Kustavi. The high tower can be seen from afar. The building and its parks are an important cultural and historical entity and a special landmark of Lypertö and Seksmiilar.
The villa was built by Dr. Oskar Alarik Hornborg (1870–1936) and his spouse Varma (1882–1974). Dr. Oska Alarik Hornborg worked as a city doctor in Pori. The villa was designed by architect Lars Sonck and completed in 1922. The handsome building is made of round logs with its original furniture and is protected under the Building Protection Act, the only one in the Archipelago Sea area (sarvilinna.fi).
The villa and its areas are for private use. Every year the Kustavi Tourist Association has organized one excursion to the villa.