The Angelokastro garrison, composed of about 4,000 peasants from the nearby villages, successfully resisted the invading force and the Ottomans were not successful at establishing a beachhead in the northwestern flank of the island. After their unsuccessful siege, the Ottoman army retreated from Angelokastro and they set a course for Corfu city through the mountains intent on continuing their siege of the city. The garrison of Angelokastro scuttled their plans by exiting the castle and rolling boulders at them as they were passing through the mountains. Following these events, Kilich ended the siege of the island destroying vineyards and fruit trees during his retreat, and finally departing with his fleet. These Ottoman defeats both at the city castle in the east and Angelokastro in the west proved decisive and the Ottomans abandoned their attempts at conquering Corfu. Angelokastro protected the population of the region again during the second Great Siege of Corfu by the Ottomans in 1716. With the advent of modern warfare the castle's importance declined and gradually it fell into a state of disrepair. The passage of time did to the castle what no aspiring conqueror could. From 1999, however, the Corfu office of the 8th Ephorate of Byzantine Antiquities of Greece has undertaken a restoration programme under the co-sponsorship of the Greek Ministry of Culture and the European Union. The castle was closed to the public for excavations and reconstruction starting in 1999. Since 2018 there is an entry fee of 2 euros. The castle is closed on Wednesdays. Angelokastro is considered one of the most imposing architectural remains in the Ionian Islands along with four other fortifications of Corfu such as Gardiki Castle, the Kassiopi Castle built by the Angevins and the two Venetian Fortresses of Corfu City, the Citadel and the New Fort. The castle's west, northwest and south sides are protected by the terrain that slopes precipitously. Its foundation may have been Byzantine but, given its size, the incorporation of its extraordinary natural surroundings into the design of the fortifications is not typically Byzantine and follows the tradition of small but practically impregnable fortresses which incorporate outstanding natural elements into their design. In contrast to the purely Byzantine style of Gardiki Castle which was also constructed in a single form, Angelokastro's architectural style may not have been purely Byzantine and could have been influenced by Frankish or South Italian architectural elements, although the details of such influence are not discernible today due to its current state of ruin.