A large designer dog breed that you should definitely check out is the Pyredoodle. This is a combination of a Great Pyrenees and a Poodle together. If you need help finding breeders that sell this dog breed, you can find some great recommendations here.
If you have seen the Great Pyrenees in real life, you know just how beautiful this large dog breed is! This dog breed can be hard to find, so I have made a list of reputable breeders with Great Pyrenees Puppies for Sale.