[Note 1] In eleven patrols UC-35 was credited with sinking 48 ships, either by torpedo or by mines laid.

UC-35 was sunk by gunfire from the French torpedo boat Aigli southwest of Sardinia on 16 May 1918 at 39°48′N 7°42′E / 39.800°N 7.700°E / 39.800; 7.700.

She had a dive time of 35 seconds and was capable of operating at a depth of 50 metres (160 ft).

When submerged, she could operate for 54 nautical miles (100 km; 62 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 10,180 nautical miles (18,850 km; 11,710 mi) at 7 knots (13 km/h; 8.1 mph).

UC-35 was fitted with six 100 centimetres (39 in) mine tubes, eighteen UC 200 mines, three 50 centimetres (20 in) torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one 8.8 cm (3.5 in) Uk L/30 deck gun.