The singer - real name Marina Diamandis - will play eight dates across the UK in May in support of her second studio album Electra Heart.
She will start at Manchester Cathedral on May 4 and finish at Cardiff's Coal Exchange on May 15.
Marina and the Diamonds will release their new single 'Primadonna' on April 16 in the UK, while Electra Heart will follow on April 30.
The star has worked with a range of US producers for the record and recently told Digital Spy that she found them "very inspiring".
The new collection is also expected to contain her previous buzz track 'Radioactive', which was released back in October.
The dates for Marina and the Diamonds' UK tour are as follows:
- May 4 - Manchester, Cathedral
- May 7 - Edinburgh, Queen Hall
- May 8 - Glasgow, O2 ABC
- May 10 - Leamington Spa, Assembly
- May 11 - Birmingham, HMV Institute
- May 12 - Sheffield, Leadmill
- May 14 - Norwich, Waterfront
- May 15 - Cardiff, Coal Exchange