HMS Port Mahon was a member of the Gibraltar Group of 24-gun sixth rates.

[1] After commissioning she spent her career in home waters and North America on trade protection duties.

[3] She was ordered on 24 January 1711 from Deptford Dockyard to be built under the guidance of Joseph Allin the elder, Master Shipwright of Portsmouth.

She returned to Portsmouth to undergo a great repair costing £524.0.4d1/4[Note 1] from October 1714 to December 1715.

[7] HMS Port Mahon was broken by Admiralty Order (AO) 4 October 1739 at Plymouth in May 1740.