



I'm Mariano R., the breeder behind Marii's Aussies located in Las Vegas, NV. Our Miniature Australian Shepherd puppies are raised right in our home, surrounded by love, attention, and everyday life. We treat every puppy like family, making sure they are well cared for, socialized, and comfortable from the very beginning.
Why did you start breeding?
What makes your program special?
What are the different breed sizes in your program?
Where do your breeding dogs live?
Mariano has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready, reach out to ask about the puppies or anything else on your mind. You’ll get to know each other through messaging, phone, or video and pay securely, all on Good Dog.
After buyers complete the application and screening process, Mariano partners with them to find the best puppy match.

“Father is AKC registered, and the mother is a purebred (unregistered). Puppies include their first round of vaccinations, deworming, and early socialization to ensure a healthy, well-adjusted start.”
Mariano may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Mariano offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Mariano directly.
When you pay and communicate on Good Dog, you’re covered by Payment Protection.
You can drive or fly to pick up your puppy from Mariano.
Meet in Las Vegas, NV
5565 miles away
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Meet at Harry Reid Airport
5569 miles away
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Mariano has been a member of Good Dog for less than a month
Mariano was screened for responsible practices and has been a member since 2026.

Marii's Aussies meets or exceeds our community standards in these areas:
Miniature Australian Shepherd
About Koa
Koa is a female Miniature Australian Shepherd. Carefully selected as a great representative of her breed, Mariano decided to make her part of their program. Mariano has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Miniature Australian Shepherd
About Tano
Tano is a male Miniature Australian Shepherd. Carefully selected as a great representative of his breed, Mariano decided to make him part of their program. Mariano has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Marii's Aussies reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Miniature Australian Shepherds.
Vet Wellness Exam
A breeder may perform additional tests on their dogs that do not fall into these general categories. These tests may be more uncommon or very specific to a particular breed.