I want to take DC on a holiday. budget doesn't stretch too far and we decided to drive somewhere preferably a seaside place in the north west. Both DC have autism, leaning difficulties, difficult eaters, dislike for mad crowds. We plan on self catering, hotel is out. We have never been on a holiday before, but had day trips to the sea. Any recommendations for locations? We like nature, not too crowded places, a beach where we can spend the day provided the weather is good.