Tower Of Sea Gate (Tower Kula Morska Vrata) is a square tower located next to Morska Vrata town entrance. The tower is leaning against the east side of the town walls. It has two cannon holes andtwo doors in the shape of the letter L, one on north and another on the east façade of the tower. The tower features lovely Venetian plaque of Lion of St Mark (winged lion of Venice). The tower nowadays house an art gallery.