Ostrovsky Regional Museum became part of the Pskov museum-reserve in 1980. In 1991, Trinity Cathedral was rightfully transferred to the diocese, and the museum exhibition were transferred to the building of the valid Alexander girls' school, in this case, by changing its status to local lore. Greatly expanded theme of the museum, began to appear all new exposition of the exhibition, which tell about the historical development of the city from the beginning of its origin to the beginning of the 21st century. It is also important that the opening of the Hall of Nature.

National History Museum of the Island in 2001, took the ownership of the new building on the street Liebknecht, and for 18 July this year, the grand opening of the museum.

The exhibition, entitled "Fortress" tells the story of the city islands from ancient times to the initial stage of the Great Northern War .  The earliest mention of the Island date back to the year 1341, but even before this time in the zone of the area began to appear the first human settlements .  Originally this territory inhabited by the Livs and Estonians, but over time these tribes pushed krivichi .  On one of the banks of the River Great settlements have multiplied, and a little later in the middle of the river on the island site was erected a small fortress, originally made of wood, stone and soon, after which the city got its name as the Island .  It is this island fortress was the last line of defense of the city of Pskov in the south and up to the Great Northern War .  Multiple ruins of the fortress have been preserved until the beginning of World War II, after which the fascist forces were dismantled for the construction of the dam, as well as the repair of roads .

In one of the rooms under the title "History of the City Island in the 18th - early 20th century" can be clearly traced, following the plans of the photos how changed the face of the city, at the same time a smooth transition from the militant city merchant county town .  After the Great Northern War was over, virtually deserted island, and gradually began to deteriorate irreversibly .  In the late 18th century, a new stage of development of the city: stone construction began in the very center, when it was erected a stone Trinity Cathedral, and at the end of the street there was a Polotsk Church of the Intercession .  In the village of St. Catherine was built the temple of the Saviour during 1845 and by the end of the 19th century it became a women's monastery Spaso-Kazan .  For some time in the mid-19th century through the Great River it was built a unique kind of Chain Bridge, the inauguration of which came the Emperor Nicholas I .  Also on display you can see the pictures with the image of architectural monuments of the city, not kept up to date .  To view presented furniture of the 19th century, and an interesting collection of peasant dishes and utensils of the period .  The museum has a permanent exhibition dedicated to the samovar and various tea utensils late 19th - early 20th centuries .  As you know, in Russia since ancient times liked to drink tea, which is brewed on a variety of grasses .  At the end of the 19th century began to appear the Chinese, Indian tea, which was the impetus for the emergence of samovars, is literally a household .  By the samovar necessarily be accompanied by: a teapot, sugar tongs, trays, tea utensils .

The museum hall devoted to nature, you can see the tooth of a mammoth, a variety of stuffed animals and birds, nest hornet - animals inhabiting the area.

The museum has a room called the "Great Patriotic War", in which collection a rich collection of weapons and equipment from World War II.

To date, the regional museum Ostrovsky has a group "Search". The museum has an exhibition of TV and radio, and auto and moto. All the proposed exhibition is constantly updated and supplemented. It will be available with the attributes of the Soviet era, busts, flags - symbols of the Soviet Union.