The Hydra Historical Archives Museum which was established in 1918 and is housed in an admirable Mansion at the port of Hydra. The Museum hosts more than 18.000 manuscripts with religious, educational and administrative context, 6.000 old books and a variety of maps, various local traditional costumes, weapons and naval instruments.

The square of the “Five Prime Ministers” is without doubt one of the most picturesque spots of the island and it is dedicated to George Koundouriotis, Antonios Kriezis, Dimitrios Voulgaris, Athanassios Miaoulis and Petros Voulgaris which were all from Hydra and all served as Prime Ministers of Greece in the past. 

The Rafalias pharmacy store constitutes a monument of cultural and architectural heritage and an exemplary building which still maintains its initial furnishings and equipment. Visitors can enter the store and have a look at the rich collection of flasks made of glass and porcelain, medical utensils and apparatus, as well as, publications of pharmaceutical context.

One of the most impressive Mansion Houses of the island which belonged to Lazaros Koundouriotis. Nowadays, it serves as a branch of the National Museum and exhibits pieces dating back to the 18^th and 19^th century attracting both Greek and foreign visitors on a daily basis.

The bronze statue at Milon square depicting a child seating on a dolphin, which you will find on your way to the area of Kamini heading left from the island’s port. The statue was inspired by the film “Boy on a Dolphin” staring Sophia Loren which was filmed in Hydra island. 

The former Tombazis Mansion at the far side of the port of Hydra, which is a four floor building with particular architectural styling and has been hosting the branch of the School of Fine Arts since 1936. 

The 3-level-high bell tower of the Church of “Kimisseos Theotokou” [Assumption of Virgin Mary], which has been operating as the town clock since the 19^th century. Its first level serves as the entrance to the church but also leads to the Byzantine and Ecclesiastical Museum and the Town Hall that are also hosted there. The second level hosts the bells and the 4 clocks pointing at the four cardinal points, while the third level has a wonderful domed interior and is surrounded by Corinthian and Ioanian styled columns.