Tropical Fish Store in Billings, MT

Serious About Aquariums

Specializing in Freshwater and Marine Aquariums

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A purple fish with a yellow tail is swimming on a white background

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What We Offer

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  • A small aquarium with fish and rocks in it.

Make Your Dream Aquarium a Reality

We have everything you need in our new location

Add to your existing aquarium or start a new one at Treasure State Aquariums. Come browse our selection of aquarium fish, invertebrates, and aquatic plants. Our helpful staff can answer any questions about our livestock, tank maintenance, and other products. Call or stop by today to see what we have in stock.

A close up of a sea anemone glowing in the dark in a tank.
A close up of a coral sitting on top of a purple rock.
A close up of a green coral in a tank.
A close up of a glow in the dark sea anemone in a tank.

Looking for Healthy Aquatic Livestock?

Buy with confidence from Treasure State Aquariums

A snail is swimming in a tank of water.
A yellow and black fish is swimming in a tank
A group of fish are swimming in a tank with plants
A crayfish is sitting on top of a yellow rock.

See the Difference a Dedicated Staff Makes

We opened Treasure State Aquariums with one goal in mind: To bring a wide variety of healthy aquatic livestock to Montana. Our staff has years of experience in the pet industry, and just a year and a half after we opened our doors, we were able to move to a larger location in Billings, MT. Treasure State Aquariums can help you begin or expand your aquarium. Visit us today to speak to an educated member of our team.

Get In Touch
  • A purple fish with a yellow tail is swimming on a white background

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Store is reopened and great. Looks like they were in process of getting everything set up for display. Lots of selection and great advice. If you are new to the fish scene this is a great place to stop for knowledge...


Dean R.

  • A wall filled with lots of green plants in pots.

We Stock Healthy Aquatic Plants and Animals

We understand the potential negative reactions that come from introducing disease or parasitic organisms to a thriving aquarium. We're serious about aquariums, so we take the extra steps necessary to ensure our customers receive the healthiest animals or plants possible.


Long before our livestock gets to the sales floor, it's:

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Conditioned

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Inspected for Injuries and Ailments

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Prophylactically Treated for Disease and Parasites

Visit the What We Offer page to learn more about our aquaculture process.

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