 He signed for Conwy Borough of the Cymru Alliance on 7 June 2013 and made his debut in a 2–0 win away to Guilsfield on 17 August.He was suspected to have sustained a toe injury in a 3–0 home win over Penycae on 17 September 2013 and this was the last of his eight appearances in 2013–14.Mackin signed for Welsh Premier League club Rhyl on 24 June 2014.