You might want to spend some time browsing the exhibits at Sochi Maritime Terminal, Sochi Art Museum, or Museum of Sochi Sport Honour. Stalin's Villa, N. Ostrovskiy Literary Memorial Museum, and Valeriya Barsova's Dacha are well-known local landmarks worth a visit. You can watch performances at Festival Concert Hall, Winter Theatre, and Hall of Organ and Chamber Music if you're interested in local theater.