There are cash machines at the Conference Centre at the Newport Bay, in the Village between Hurricanes and the Steakhouse, at the Train Station, in the Frontlot at WDS, in the Liberty and Discovery Arcades, Discoveryland and Adventureland. So no problem finding machines.
Be aware that if you are from the UK (assuming by Mum being in your nick, you are), there will be a commission charge for each withdrawl (about £2.50).
Be aware that if you are from the UK (assuming by Mum being in your nick, you are), there will be a commission charge for each withdrawl (about £2.50).