about us

from the owner

dogs of the dunes was founded in 2019 out of a desire to do dog training differently—and better.
I started this business after seeing too many dogs set up to fail by approaches that relied on force, fear, or unrealistic expectations. I watched inexperienced trainers struggle to support dogs who hadn’t been given the right tools, and I knew there had to be a more humane, effective way forward. Dogs depend on us for guidance, patience, and understanding—and they deserve training that reflects that responsibility.

dogs of the dunes was created to offer a different experience—not just for my own dogs, but for dogs and families throughout our community.
My name is Theresa Armstrong, and I’ve been a Certified Professional Dog Trainer – Knowledge Assessed (CPDT-KA) since 2019. My work centers on an emotionally intelligent, practical approach to life with dogs, keeping LIFE (Least Inhibitive, Functionally Effective) principles at the forefront of everything we do.
We’re a small, dedicated team committed to thoughtful care, clear communication, and training that supports the whole dog—not just obedience on paper.

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For years, I watched owners struggle—not because they lacked love, but because they lacked support. Dogs aren’t born understanding our world; they learn it step by step. My goal has always been to create an environment where owners feel empowered, confident, and fully prepared to help their dogs thrive.

As dogs of the dunes grew, I realized that trust is just as important as teaching skills. Every dog who comes into our care has a story, and our job is to understand that story before trying to write the next chapter. This is why we focus so heavily on individualized training plans that respect each dog’s history, personality, and pace.

Over time, we’ve built a community of dog lovers who share the same vision: training that is peaceful, compassionate, and rooted in real understanding. When dogs feel safe, they learn faster. When owners feel heard, they stay committed. That combination creates results that last a lifetime.

Dogs deserve the best training we can give them. That’s why dogs of the dunes’ dual mission goes hand-in-hand: treating dogs humanely while delivering training that truly works. If we want dogs to apply skills at home and in the real world, we must meet them where they are—rather than punishing them for not being perfect.

Sincerely,
Theresa Armstrong, CPDT-KA

What We Do

We offer a range of services designed to meet dogs and families where they are, including:
Place-based one-on-one training and small group classes
AKC certification programs
In-home boarding and drop-in visits
Dog walking and enrichment-focused outings
Alongside these core services, we also provide custom pet concierge support, including wedding chaperone services, photoshoot assistance, and transportation to grooming or veterinary appointments. If you have a unique need, we’ll always do our best to accommodate it.

Why We Do It

We know how deeply dogs are woven into your life—and how much the time you share with them matters. Our goal is to help your dog’s true self thrive while fostering effective communication, confidence, and understanding of the world around them.
Learning is always happening, and training doesn’t need to feel overwhelming or intimidating. And when you’re away, your dog’s care should never leave you wondering how they’re doing. Thoughtful support—for both dogs and humans—creates calmer homes, stronger relationships, and lasting success.

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Mariana Lopez profile picture
Mariana Lopez
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Was very nervous to leave my 5 month old pup for a few days, but as soon as I met Theresa, it completely eased my mind. My pup loved being there and getting to make friends with all the other pups. I look forward to future training sessions and so glad I chose dogs of the dunes!
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Catherine Davis
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The most professional and up to date dog training/walking/ boarding service in the region. Force and fear free, my dog absolutely loves the time they get with Theresa!! I wouldn’t trust any other trainers in this area like I do dogs of the dunes. Not only does she get results but I know she is responsible, gentle, and loving with mine and all pups she works with. Hands down, the BEST
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Kelly Vickers
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I can’t brag about Theresa enough. She makes boarding and drop in visits feel like it’s coming from a friend which makes for no stress especially for someone who has a hard time trusting anyone to take care of their fur babies. She takes care of our Marsh on regular drop in visits and is our go to for boarding. Shes even great to give some love to our older dog when she drops by to take out the puppy. I had no idea what having a regular dog boarder or someone to drop in entailed and she was great to stop by and meet Marshmallow before her visits even started happening to make sure we were comfortable.
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Maria Falese
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We recently boarded our dog with Scarlet, and WOW we could not have had a better experience! Our dog is our first baby, and in the past we’ve always had such worry about leaving him at other boarding facilities. This was the first time we were actually able to enjoy our vacation knowing our baby was in great hands. Scarlet made sure to meet Oliver in our home ahead of time, which eased the transition for everyone. She sent multiple daily updates while we were gone, and even went above and beyond to help sustain Oliver’s comfort level in her care when he got nervous or stressed. I hate to use the word “boarding” with Dogs of the Dunes, because in our experience, it’s like your baby just becomes part of another family while you’re away! Would rate them 10 stars if I could! Scarlet, thank you again! We plan to use this service every time we travel from now on. And look forward to exploring their training services when we get another dog in the future!
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Sean & Melissa Healy
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We've worked with Dogs of the Dunes for their drop-in visit and walks services for our 90+ lb Golden Retriever and we couldn't be happier. Before we started with them, two of the ladies came to the house to meet us and our dog and make sure everyone was comfortable. They are very communicative and let us know when they've come over and how he was and often provide pictures so we can his happy face. We love being able to allow him to stay in his house and have visitors and activity without having to be boarded. We're very happy we found Dogs of the Dunes.
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Scarlet Cisneros
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I’ve had nothing but great experiences while working with Theresa. She’s very patient when it comes to giving directions & giving feedback with each session. I’m so pleased, she is my #1 referral to anyone needing a little extra help when it comes to their dogs too.
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Lisa McCabe
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Theresa has taken care of of our 5 1/2-year-old golden, and our second one when she came along. The dogs are so well cared for and happy after their walks with her. I feel so much more comfortable boarding with her than a facility.
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Aidan Lineberry
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michael toigo
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Took a class with Theresa at portage woodland park very polite and informative. I have a large breed dog (great dane)and she helped tremendously with my girl. Highly recommended her and all her services.
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Dylan Rongers
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Theresa knows what she’s doing, highly recommend her!!

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Our Service Areas

Please note this is not an all-encompassing list. We serve a wide area and will try to work with you no matter where you live.

  • Valparaiso, IN
  • Portage, IN
  • Chesterton, IN
  • Porter, IN
  • Hebron, IN
  • Burns Harbor, IN
  • Ogden Dunes, IN
  • Hammond, IN
  • Gary, IN
  • Merrillville, IN
  • Crown Point, IN
  • Hobart, IN
  • Schererville, IN
  • Michigan City, IN
  • La Porte, IN
  • Cook County, IL