The Lapidarium, with some twenty stone monuments from the antique and medieval periods is situated in the area between the church, the church-tower and the remnants of the city walls.
There is a very important sepulchral slab from the Roman period, a relief by Nikola Fiorentinac from the 15th century, a Venetian Lion near the church tower, a stone tablet of the knight Ivan Obradić and numerous other items from Jelsa's rich history.