In early June 1809 Success took part in a joint expedition against Murat in Naples, from Sicily, led by Lieutenant-General John Stuart, with Rear Admiral George Martin commanding the naval forces. This operation was mounted to relieve the hard-pressed Austrians during the War of the Fifth Coalition, by capturing the islands of Ischia and Procida in the Gulf of Naples. The expedition sailed from Milazzo on 11 June, with a detachment under Lieutenant-Colonel Smith successfully attacking enemy positions in the Strait of Messina. On 25 June British troops, commanded by Major-General Robert Henry MacFarlane, landed on the island of Ischia supported by cannon fire from and Success, and British and Sicilian gun-boats. Captain Ayscough landed with the troops, but finding little to do on shore returned to his ship where he engaged the enemy's batteries, and succeeded in destroying several gun-boats. The British captured several coastal batteries and about 300 men, but the main body of the enemy under General Colonna, held out in the Castello Aragonese until 30 June before eventually surrendering. In total 1,500 men were taken prisoner, and almost 100 guns and their stores were captured. On 26 June 1809 gunboats under Ayscough's direction assisted in the capture and destruction of 18 armed gun-boats which were attempting to reach Naples from Gaeta.