Portuguese Water Dog vs Saint Bernard
Side-by-side comparison across all 14 AKC trait ratings, with a clear verdict on which breed fits which kind of household.
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Portuguese Water Dog vs Saint Bernard
You don’t usually see people comparing a Portuguese Water Dog to a Saint Bernard—they’re about as different as a surfboard and a snowplow. But here’s why the question comes up: both are big-hearted, family-oriented working dogs with thick coats and a reputation for being gentle with kids. On paper, they check similar boxes. In real life, they’re worlds apart. The Portuguese Water Dog is a coiled spring in a curly or wavy coat. Think 45 to 60 pounds of muscle, built for swimming, agility, and keeping up with you on a 10-mile hike. These dogs thrive on activity and mental challenges. They’re smart, eager to please, and bond fiercely with their people. If you’re outdoorsy, live near water, or want a dog that can learn 50 tricks without breaking a sweat, this is your breed. But you’ll pay for that brilliance with time—daily exercise, weekly grooming, and constant engagement. They don’t do well left alone for hours. Now picture the Saint Bernard: a massive, drooling teddy bear of a dog. We’re talking 150 pounds of calm, tolerant affection. They’re not lazy, but their idea of fun is a slow stroll followed by a nap on the cool kitchen tiles. Bred to dig out buried travelers in snowdrifts, they’re strong and sturdy, but not particularly agile or driven. They’re sweet with kids, surprisingly gentle, and happiest in cool weather with space to sprawl. The real difference? Pace of life. The Water Dog needs a teammate. The Saint Bernard wants to be your cozy shadow. Here’s the honest truth no breeder brochure mentions: the Saint Bernard’s lifespan is short—8 to 10 years—and their health issues tend to hit hard and fast. You’re signing up for potential heartbreak, and possibly a six-figure vet bill down the line. The Water Dog lives longer, but ask yourself: can you handle a dog that’s always ready to go when you’re not? Pick the Saint Bernard if you want a calm, loving giant and can manage the mess. Pick the Water Dog if you want a partner, not just a pet.
Trait-by-trait
Higher bar = more of that trait. Shedding, barking, drooling, grooming flipped for readability.Where they diverge
Choose the Portuguese Water Dog if…
- Allergy sufferers
- Active families
- Water and outdoor enthusiasts
- You value coat grooming — Portuguese Water Dog scores noticeably higher.
Choose the Saint Bernard if…
- Families with children
- Those wanting a gentle giant
- Cold climate households
- You value drooling level — Saint Bernard scores higher here.

