Mariner Castle is a great old castle and splendid situated on a hillside of the island, overlooking the city. There are many small houses outside the castle for the common people. Connectivity is a harbor town where the ship was anchored, perhaps it is waiting to put some items on the ship.
The main attraction in this map is the castle. It has some room sizes and different decoration. Take a small probe within the castle and threw a glimpse of the beautiful gardens and dining halls.