Mumbles Development Trust is a grass-roots membership organisation open to all people in the community who are committed to regenerating Mumbles through self-help projects and schemes. The trust works to improve the health and economic well being of Mumbles for the betterment of the local community, working in partnership with community organisations and the statutory authorities. MDT has engaged in a range of projects over several decades of operation, from establishing the Mumbles Market, planting a community orchard, monthly community cinema showings, to litter picks and running a community radio station.