I have been running one person 'Parenthesis' retreats here in Spain for a couple of years now. This year, working with Hilary Gallo we are adding a new, small group format. We are going to be running the first one as a kind of beta-test at the end of June this year.
If you are interested in participating let me know soonest (there aren't many places).
If you would like more information, here is the brochure.