This must be the time of year for art holidays adverts. Several have come through recently and so I'm giving links to websites in case you want to find out more about any of them>
The Florence Art Studio
Newlyn School of Art
El Molino del Conde, Spain
Paint Paleochora, Crete
Brian Steventon is offering tuition at The Wodehouse and Harvington Hall next year. Cost £30 a day. No website details but you could email email@example.com for details.
If you've used any of these services please add any recommendations as a comment.