Ellison was released by Rotherham at the end of the 2010–2011 season. On 31 May 2011, Ellison signed for Jim Bentley's Morecambe on a one-year contract. On 1 January 2012, Ellison signed an extension to his Morecambe contract, which would keep him at the Globe Arena for a further 18 months. In 2018, a club-released YouTube video featuring Ellison gained notoriety when it was featured on the sports website Deadspin. He signed a new one-year contract with Morecambe in June 2019. Following Jim Bentley's departure as manager on 28 October 2019, Ellison assumed the role of caretaker player-manager, alongside Barry Roche. Ellison's only match in charge was the 1-0 home win against Leyton Orient in League Two on 2 November 2019. Derek Adams was appointed Morecambe team manager on 7 November 2019. In June 2020, Ellison was released by Morecambe.