Find Saint Berdoodle Puppies For Sale on Pets4You.com. The Saint Berdoodle is not a purebred dog. It is a cross between Saint Bernard and the Poodle. The best way to determine the temperament of a mixed breed is to look up all breeds in the cross and know you can get any combination of any of the characteristics found in either breed. Not all of these designer hybrid dogs being bred are 50% purebred to 50% purebred. It is very common for breeders to breed multi-generation crosses. Contact the dog breeders below for Saint Berdoodle Puppies For Sale.