They have released six studio albums: Fix Me (2006), Masterpiece Theatre (2009), Ever After (2011), Astoria (2015), Phantoms (2019), and Haven (2024).

[7] Their albums Masterpiece Theatre and Ever After have reached double-platinum status,[8] while their singles "Haven't Had Enough", "Desperate Measures", "Fallout", "Stutter", and "All to Myself" are certified 3× platinum in Canada.

[9] Marianas Trench was formed in 1999 by Josh Ramsay (lead vocalist, guitarist, pianist) and guitarist Steve Marshall, with Ramsay's sister Sara on keyboards and vocals, Erik Scott on drums, and Trev Spilchen on bass.

[12] Mike Ayley, a longtime friend of Casselman, took up bass responsibilities when Hempstead and Marshall left the band in 2004, taking the five-piece down to four.

[10] Marianas Trench released their debut, full-length studio album, Fix Me, on October 3, 2006,[13] with the first single, "Say Anything", coming out on June 13, 2006.

[26][22] "All to Myself" was released in May 2009 as the second single and peaked at number 11 on the Canadian Hot 100;[18] it was also certified triple platinum in Canada.

[27] Marianas Trench performed several free concerts during the 2010 Vancouver Olympics, at the LiveCity Yaletown stage and Richmond O Zone.

[31][18] In 2010, the band held a contest for fans to send in a video of them singing "Good to You", where the winner would perform with them on stage at Massey Hall in Toronto.

[22] Josh Ramsay also took part in a project called Young Artists for Haiti to raise funds to support the victims of the 2010 earthquake.

The video featured approximately 1,000 students and community members lip-syncing to the band's song "Celebrity Status" and "Raise Your Glass" by Pink.

[42] Marianas Trench joined the Glamour Kills Tour in 2011 with the Ready Set, Allstar Weekend, the Downtown Fiction, and We Are the In Crowd.

[47] The band performed as part of Journey's Backyard BBQ Tour in the summer of 2012 with the All-American Rejects, Hit the Lights, Never Shout Never, and Eve 6.

[50] The band embarked on their first Canadian headlining arena tour, Face the Music, which began October 12, 2012, in Barrie, Ontario, and concluded November 3, 2012, in Kamloops, BC.

Named Face the Music: With a Vengeance, it included supporting acts Down with Webster and Anami Vice.

[55] On April 21, Marianas Trench performed an a cappella version of "Fallout", leading straight into "Stutter", at the 2013 Juno Awards.

[63] On May 26, 2015, Marianas Trench released an EP called Something Old / Something New, which included the two singles as well as two previously unreleased tracks.

[72] The group headlined the Hey You Guys Tour, across the United States in November 2015 to support the record.

[79] Astoria was certified platinum in Canada[22] and was nominated for Pop Album of the Year at the 2017 Juno Awards.

[82] On December 3, 2018, the band announced the US Suspending Gravity Tour to promote their upcoming album, Phantoms.

[83] On February 7, 2019, "Echoes of You", featuring Roger Joseph Manning Jr., was released digitally as a promotional single.

Ramsay described the new record as "modern songwriting, but very organic, old-school approaches and trickery... done in a way that you haven't heard us do before.

[89] The group spent most of 2021 touring across Canada, including performances at the Calgary Stampede and Malkin Bowl.

Set to begin in September, it will feature support from Cassadee Pope and Grayscale in the US and LØLØ in Canada, among others.

[99] On July 26, Marianas Trench announced on social media that their upcoming album would be titled Haven,[100] and that it draws inspiration from Joseph Campbell's The Hero's Journey.

[101] According to Ramsay, he used one of the plot points in the story, Campbell's observation in every hero's journey, to guide each track.

[110] Members of the band have cited various musical influences over the years, such as Queen,[111] the Beach Boys,[112] Jellyfish,[113] the Police,[114][115] and Foo Fighters.