Question: what breed are the biggest dogs?
Answer: English Mastiff. Standing between 27-35 inches tall and weighing around 200-230 pounds, the English Mastiff is among the biggest dog breeds alive today – in both height and weight. ... 
Irish Wolfhound. ... 
Saint Bernard. ... 
Newfoundland. ... 
Dogue de Bordeaux. ... 
Leonberger. ... 
Anatolian Shepherd. ... 
Neapolitan Mastiff.