During World War I, the Southern Adriatic, including the Albanian coast, witnessed a series of naval battles between the Allies and the Central Powers. Two pre-war Adriatic powers hastened to occupy two of the most important Albanian ports during the war: Italy occupied Vlorë, placing the Otranto Strait under Italian control, and Austria-Hungary occupied Durrës, from where the Central Powers attacked the Allies’ ships in the Mediterranean. Although the Central Powers held a superior position in the Adriatic at the beginning of the war, from 1916 the balance of forces started to change, and in spring 1918 the Allies were in a superior position. Major developments in the war, which was coming to an end, influenced the situation in the Southern Adriatic as well, and therefore the Great Powers became more attentive towards this part of the Balkans. In addition, they organised offensives and counter-offensives, such as those in April, in summer, and in October, the results of which showed the significance of Albanian ports in the war. They revealed the geostrategic importance of Vlorë, the possession or loss of which would change the naval situation in Adriatic. On the other hand, Durrës was not only an Austro-Hungarian naval base during the war, but also became a key port that the Central Powers relied on for supplies after the fall of Bulgaria. Therefore, the naval operation of Entente Powers in Durrës on 2 October 1918 and their victory was a step closer to the collapse of Austria-Hungary. The immediate reaction of Italy was to occupy two important ports in Albania, Durrës and Shëngjin., Južni Jadran u povijesti je, uključujući i Prvi svjetski rat, imao veliku geostratešku važnost. Prije rata interese u Albaniji imale su Austro-Ugarska i Italija, no tijekom rata, a napose 1918., sve su sile pozorno pratile događanja uz njezinu obalu. U ovom će se članku na temelju novih relevantnih historiografskih i arhivskih izvora istražiti ključne pomorske operacije u južnom Jadranu tijekom 1918., godine koja označava razdoblje ofenziva dviju zaraćenih strana. Napose će se obraditi talijanska ofenziva izvedena uz potporu njezinih saveznika u Albaniji u srpnju 1918., kao i protuofenziva Austro-Ugarske, čiji se rezultati smatraju posljednjim uspjesima Centralnih sila tijekom rata. Iznijet će se i informacije o pomorskoj operaciji saveznika u Draču u listopadu 1918. kao posljednjem pomorskom sukobu na Jadranu u Prvom svjetskom ratu.