OK, so DS, 11, really wants to go on a plane and really wants a holiday abroad as he hasn't done either of those things. We have to go in the school holidays. We have to book well in advance. We would not want to be anywhere massively touristy (we go to the quiet bits of the UK) or ridiculously hot. We do not want to be in a tent or caravan. Being nearish to the coast is essential in the UK but we may need to trade that for being abroad. We spend £700 for holiday cottage hire in the UK plus approximately another £300 on travel, food, activities etc and budget is not going to be bigger.
Does any such holiday exist?