Exascot: A sample MMEL for both the Islander and Turbine Islander can be found on the UKCAA website under "List of Master Minimum Euipment Lists". Guidance for adapting a MMEL to an aircraft-specific MEL can be found in CAP549, also on the UKCAA website.
Not knowing the difference between an MMEL and a MEL is surprisingly common in the industry, as is the confusion between 'flight time' and 'time in service', but that's for another thread.