With the economies of South Europe
in bad shape, probably that's the best place to find a boat, particularly in Italy
This is an interesting search engine
since you can sell a boat directly (if you are not a dealer) and with some help you will find some boats sold directly without a dealer intervention and that can make them cheaper.
Barcos de ocasión en España
This is where you will find most Italian boats but beware because in Italy
the buyer also pays the dealer and to the price
you should join 7% commission.
Barche a Vela