Taken on the stocks at Port Mahon in 1799.
Hulk in 1818.
- 1800 William BUCHANAN, Mediterranean where she took part in the blockade of Malta.
- 1801 sailed with Lord KEITH's fleet to Egypt. (see BONNE CITOYENNE) She captured two chasse-maree from Ancona on the 9 June 1801, FELICITE and JOSEPHINE
- 1802 Capt. GROSSET, Spithead.
- 1803 M. NEVILE.
At the beginning of January he received orders for America on 28 March sailed from Portsmouth to Poole for seamen.
- 1804 Samuel CHAMBERS, promoted into PORT MAHON at Jamaica on 06/6/1804, In the following three years PORT MAHON captured, re-captured or destroyed at least 50 vessels, including ARANZAZA, letter of marque, and the privateer COURIER. She chased the Spanish privateer SAN JOSEF (7), into Puerto de Banes in Cuba and after dark her boats under Lieut. John Marshal, went in under the fire of the privateer and a battery and cut her out without loss.
- When PORT MAHON was some 75 miles off Trinidad de Cuba on 30 September 1805 she came across a schooner which made all sail away from her. She was captured after a chase of two hours and proved to be the Spanish packet GALGO which had left Cadiz on 9 August and was carrying dispatches, which were thrown overboard, to Trinidad de Cuba and Vera Cruz. She was commanded by Lieut. Ignacio Guosquez who had a crew of 30 men and although pierced for 14 guns, she only had four brass swivels mounted.
- On the 25 June 1806 PORT MAHON chased a Spanish armed brig into the harbour of Banes in Cuba where she was under the protection of two heavy guns mounted in a high tower.
At nine o'clock in the evening the boats were sent in under the command of Lieut. MARSHALL, assisted by Lieut. WRAY and Mr John ROBSON, gunner, to get her out.
At one o'clock in the morning they boarded her under heavy fire and carried her.
They had some trouble getting her out when she grounded within pistol shot of the battery and she was struck by several shots. She proved to be the Spanish letter of marque ST. JOSEPH, armed with one long 18-pounder on a swivel amidships, four 12-pounder carronades and two 4-pounders.
There were 30 men on board her. She was carrying brandy from Havana.
PORT MAHON's boats were damaged but there were no casualties.
- While he was in the West Indies Capt. CHAMBERS married Susan Wylly, the daughter of the Attorney General in the Bahamas.
- 1808, in the Channel.
On 8 February, eighteen miles west of Beachy Head, Capt. CHAMBERS gave chase to a lugger and caught up with her eight hours later. She was the FURET (16), a French privateer commanded by J. B. Villain and carrying 47 men, on her second trip. PORT MAHON escorted her into Spithead on 11 February.
- South of the Owers at daylight on 18 November 1808, Capt. CHAMBERS discovered two luggers on his weather bow. One of them tried to escape by first crossing the bow and then the stern of PORT MAHON but was prevented by the presence of LINNET to windward. After a few musket shots she struck. She was the GENERAL PARIS of Calais but had left Le Havre the previous day. She was armed with three guns and carried a crew of 38 men. LINNET went off in chase of her consort.
- CHAMBERS transferred to ARACHNE.
- 1811 Villiers Francis HATTON, Portsmouth. PORT MAHON was employed on the north coast of Spain were her boats were used to land parties to destroy fortifications at places evacuated by the French.
Capt. HATTON was promoted to post rank in February 1812.
- 1812 F. W. BURGOYNE, Channel.
- 1814 Ditto, convoy to Brazil, 31.12.13.
- 1815-1817 Ditto, Deptford.
- 1818 used as a Police Depot at Deptford.