The citadel of a quadrangular ground-plan, with corner towers, was built by a nobleman from Trogir, Jakov Rotundo, in 1564. The Baroque parish church from 1758 keeps a Gothic painted cross from the 14th century and a wooden triptych, a work by Blaz Juraj Trogiranin (Blaise George of Trogir). - In Gornji Seget, 5 km from Seget Donji, there are several mediaeval slabs and stelae around the small church of St. Vitus (12th-13th c.). A Renaissance square tower (from 1516), of the Trogir family Statilic, rises in the field between Seget and Trogir. St. Elias Hill, 2 km from Seget, has stone pits in which white stone has been excavated from the Roman times up to the present.

Seget is almost connected with Trogir. Its extraordinary cultural heritage invites for sightseeing and evening walks. Various accommodation facilities (hotels, campsites, apartments), rich offer of wholesome food (fruit, vegetables), particularly from the hinterland (lamb), together with domestic products and seafood, sports and recreational opportunities, water sports and night fishing, make Seget and its surroundings an attractive tourist resort, which meets most various requirements of tourists. The cultural and historical offer of Trogir or Split, with the highest quality repertoire, attracts even the most selective visitors. - A 1-km walk by the sea leads to the tourist resort Medena.