Temple dedicated to St. Nicholas, patron saint of sailors and situated atop a large rock in front of the harbor. From the courtyard of the church there are great views across the city, the sea and the island Tsougrias. The location is also very popular becouse of the Mamma Mia movie opening filmed in September 2007. The celebration of Saint Nicolas is on December 6th of every year.
"I Panagia i Limnia" with the nice bell-tower rising in the whole village is the second parish church of the island. The icons from "Christos sto Kastro - Christ in the Castle" as well as Papadiamantis's head are kept here. The parish of Panagia continues to preserve the nice traditions and customs of the island, so vividly represented in the writhen work of Alexandros Papadiamantis and Alexandros Moraitidis.
The church of "Trion Ierarchon" (The Tree Church Fathers) which has been the cathedral of the island for 150 years leads the intellectual cultivation of the island, since it was blessed to have in its bosoms competent and excellent priests and intellectual leaders such as priest Adamantios, father of Papadiamantis, priest Nikolas Papanikolaou, priest Andreas Bouras and other led always by priest Georgios Rigas, the great scholar and author of the island. The Church of "Trion Ierarchon" is a basilica of three aisles, built in 1846. It is built in the centre of the village near the beach.
Bourtzi is a tiny peninsula that divides the Skiathos port into two distinct parts. It used to be a fort, which was built by the Gizi brothers who ruled over Skiathos back in 1207. Bourtzi was bordered by impregnable walls and there were two towers located to the left and right of the main gate. Presently, it is not feasible to establish the height of the parapet from the ruins.
In the past Castle used to be one of the principal medieval towns. The town has been strategically built on a rocky cliff that literally hangs above the sea at the northern extreme of the island. The cliff is conspicuous by its enormous height and it was an ideal location for the protection for the people who lived in the Castle town.
A brace collection embraces the museum of the monastery which includes historical relics. Furthermore, the museum includes several things which were used in ancient Greece, like the collection of "Markos Botsaris" and other native people of the island which were granted to the monastery in order to ensure their rescue as well as for the visitors to visit the exhibition. People from all over the world visit the Monastery of Skiathos in order to admire the Greek culture. In the southern area of the monastery, there is the new of museum in which some of the holy relics are being kept, as well as numerous paintings from the 9nth, 12th, 16th and 19th century. There is also a great collection about valkanian wars which includes papers, texts reports and photographs in order to keep the memories of Greek fights alive through the time.
Maritime & Cultural Tradition Museum of Skiathos has been established in 2015 and it is located in the cultural center "Bourtzi". The exhibits describe the long-term shipbuilding tradition of Skiathos. Shipbuilding units which helped in the development of sailing boats. Shipping up to the 19th century, as well as in the evolution of the ocean. The permanent collection is being consisted of sixteen and more exhibits. Among them, there are some shipbuilding tools, sailboat, designs, representation of traditional wood cutting, rare shipbuilding collections, as well as paintings (end of 19th century) of Skiathos sailboats. In the section of the exhibition which presents the development of sailing, there are maps, shipping measurement tools and diaries (Bridge diaries, engine diaries), officers and lower crew's diplomas, a full presentation of ship-bridge liberty type, greek ships' designs and a small dedication to "Katsonis" submarine which sank near the island of Skiathos in 1943.
The house of Alexandros Papadiamantis (1851-1911), one of the most prominent Greek writers is situated in Skiathos Town. Built in 1850-1860 by the author's father, who was a priest, this house has simple decoration with just a few furniture and family objects.