A seven-night cruise from 11 to 18 March 1995 aboard Zenith is the subject of David Foster Wallace's 1995 essay "A Supposedly Fun Thing I'll Never Do Again" (later part of a collection of the same name and originally published in Harper's as "Shipping Out"[5]).

In July 2019 it was announced the ship would Pullmantur's fleet in early 2020 to Peace Boat, with fleetmate Monarch poised to take over Zenith's existing sailings.

[8][9] In September 2020 Cruise Capital informed according to Hong Kong Cruise Society, Peace Boat is to replace the contracts of two ships Ocean Dream and The Zenith from service, replacing them with one larger ship that they had purchased—the current MS Sun Princess, to be renamed Pacific World from Spring 2021.

[10] In May 2022, Peace Boat announced that all cruises in 2022 and 2023 to be operated by The Zenith were cancelled due to a change in contract with the owner company.

[11][12] She was laid up at Lavrio, Greece, but left the port on 8 June as TSM Singapore heading to Hai Phong, Vietnam.