The Elco 77ft PT-59 was one of the 49 Elco 77-feet PT boats built for the US Navy. Originally laid down as PTC-27 sub-chaser, it was reclassified as BPT-11 when the boat was to be transferred to Britain under Lend-Lease, before finally being redesignated PT-59 when the transfer was cancelled. The PT-59 is notable for being the third PT boat to be commanded by the future president John F. Kennedy, who ordered the boat to be modified into a gunboat by removing its four ineffective torpedoes and replacing them with numerous machine guns and autocannons in order to better engage Japanese landing barges and ships. After the war, PT-59 was sold off to civilian owners and converted into a fishing boat in Manhattan under the name Sea Queen V. Due to the former PT-59 being mistakenly thought to be the former PT-95, a 78-foot Huckins PT boat of very different design, no efforts were made to save or salvage it. By the time its actual identity was discovered in 1970, the boat had severely deteriorated and finally sank after catching fire in 1976. Its remains were recovered in 2020 and are on display at the Battleship Cove museum in Fall River, Massachusetts.

The PT-59 was introduced in Update 1.77 "Advancing Storm" as part of the fleet closed beta test. Unlike any other wartime PT boats, the PT-59 is a pure gunboat, foregoing any torpedo armaments in favour of mounting a huge number of guns. The boat is armed with two 40 mm Bofors autocannons and a staggering 14 Browning machine guns, making it capable of shredding any lesser-armoured boats and aircraft into pieces. However, due to the aforementioned lack of torpedoes, the PT-59 will struggle against ships with detailed damage models that can easily endure the barrage, in addition to being extremely vulnerable to any returning fire due to its weak hull.