After re-commissioning in 1954 she was part of British 6th Frigate Squadron in the Mediterranean until 1960. In November 1956 she was part of the Royal Navy's forces that took part in the Suez Crisis. In the years 1958/59 she undertook bombardments of EOKA's positions in the Cyprus mountains.
In 1960 Undine was again placed in reserve at Portsmouth. She was put on the Disposal List in 1965. She was de-equipped before tow and sold for breaking up at the breaker's yard of John Cashmore Ltd at Newport, arriving there during November 1965.