Google IOTA and you'll get all sorts of stuff. Inverness Old Town Art... to  Institute of Transport Administration. But in Radio terms, its Islands on the Air. There's a contest and an islands collection program as well as activators interest.

RSGB The national society administers the IOTA program.

G3KMA - the IOTA manager's own pages

Contest Rules for IOTA contest

Directory of IOTA Islands here.