Best
UK: Devon, Northumberland, Gower, Cumbria, Scarborough/Whitby/North York Moors, Dorset.
Europe: Denmark (especially Copenhagen), Netherlands (not keen on Amsterdam though), Rhodes, Cyprus, Normandy, Umbria, Austria (especially Graz, Salzburg, Zillertal), Jersey.
Further afield: Block Island, Maine, Okavango Delta, New Zealand (especially Auckland), Melbourne, Luxor/Aswan.
Worst
UK: Clacton, Cleethorpes, Whitley Bay, Bluestone (no idea why people on MN rave about it), Edinburgh.
Europe: Paris, Algarve, Ibiza, Geneva, Munich, Cork, Genoa.
Further afield: Boston, Sydney, Harare, Cairo.
Personally I don’t mind Benidorm (possibly because I’ve only been out of season). It’s really rather lovely in February.