Despite losses, the RN played its role:
Let's not forget that the Soviet river flotillas & naval aviation also aided in the war effort:
Some armoured gunboats even fought in the battle of Berlin, making their way on the Spree.
Russian Navy Aviation managed all land, shore and vessel-based (tender seaplanes and catapult vessels) hydroplanes and aircraft, as well as flying boats. The air units also conducted land operations in support of the Red Army during landings and disembarkation and served in special wartime operations. Naval Aviation provided some air cover to Allied convoys bringing equipment to Soviet forces from North Sea to the Barents Sea and via the Pacific Ocean to the Sea of Okhotsk. During the war, Naval Aviation delivered an immense blow to the enemy in terms of sunken ships and crews—two and a half times more than any other unit of the Soviet Navy. Seventeen naval aviation units were honored with the title of the Soviet Guards, while 241 men were awarded with the title of the Hero of the Soviet Union (including five pilots—even twice).