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Top picks in Colorado

Fish and aquariums

You want to enjoy your fish while being surrounded by an aquarium, because the environment matters as much as the meal.

Based on 616 Opinions
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Updated May 2026
01
Aqua Rocks Colorado image 1
Aqua Rocks Colorado image 2
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Aquarium shop

Expansive space filled with beautiful display tanks showcasing gorgeous plants and unique fish. Features include a DIY workbench and sand table for planning aquascapes. Atmosphere combines a warehouse feel with inspiring, high-quality aquatics supplies.

Stock includes healthy fish with a focus on freshwater species. Aquascaping needs are met with a large plant collection and quality aquatic supplies.

Aquariums feature crystal clear water and visually stunning setups with a natural look. Staff provide knowledgeable service and help design creative aquarium displays.

People are saying

"The staff here are super helpful with all your fish tank questions."

"I found the best selection of aquarium plants, fish, and aquascaping supplies here."

"I found this place to be a super cool store."

Good to know

1

Aqua Rocks Colorado has a great selection of fish, wood, and rocks for aquascaping.

2

They offer a huge variety of aquascaping supplies.

3

Expect to find unique fish and a large plant collection.

02
Fins Up Reef Co. image 1
Aquarium shop

Aquarium shop offers clean, organized space filled with healthy fish and high-quality corals. Staff provide expert knowledge and support for both beginners and experienced hobbyists. Pricing is fair and competitive, with a wide selection and comprehensive services including sourcing and transport.

Selection includes healthy, beautiful fish with great deals on saltwater and freshwater varieties. Staff offers helpful support during emergencies and provides advice to keep fish safe.

Comprehensive saltwater aquarium service includes handling all logistics for aquarium transport and ongoing maintenance. The team offers competitive prices and reliable support for aquarium needs.

People are saying

"They're so knowledgeable about fish and helping with tanks."

"I found the saltwater aquarium fish and corals to be of amazing quality."

Good to know

1

The facility is very clean and well-organized.

2

Staff members are knowledgeable and provide excellent service.

3

They offer a wide selection of healthy fish and corals.

03
Aquatic Art Inc. image 1
Tropical fish store

Small shop filled with stunning reef tanks and healthy saltwater fish creates an immersive experience. Bright lighting highlights well-organized displays and fair pricing, while a friendly shop dog adds warmth. Space feels packed but efficient, catering to all levels of aquarium enthusiasts.

Wide range of saltwater fish and corals available with clear price tags for easy identification. Quality of fish and coral stands out, supported by knowledgeable staff.

Focuses on coral and saltwater aquarium needs with a solid range of supplies. Supports all levels of saltwater aquarium owners, making it a reliable spot for enthusiasts.

People are saying

"The staff here is so knowledgeable and helpful with the fish."

"I found awesome saltwater aquarium options for fish and corals."

Good to know

1

Aquatic Art Inc. offers a wide range of saltwater fish and corals.

2

The livestock at Aquatic Art Inc. is known for being healthy and well-cared for.

3

Staff members are knowledgeable and can help with tank maintenance advice.

04
Elite Reef image 1
Fish store

Warehouse-style layout showcases large coral displays under blue lighting with immaculately clean tanks. The atmosphere is calm and focused, attracting both beginner and advanced reef keepers. Offers extensive coral and fish variety, including unique sponges, all at competitive prices.

Saltwater fish here are healthy and disease-free with a great selection available. Prices stay reasonable, and expert care helps keep fish thriving.

More variety of salt water sponges exists here than in other aquarium shops. A large selection of aquarium tools and additives supports both beginners and experienced hobbyists.

People are saying

"The staff here are super knowledgeable about fish."

"Their Euphyllia flat pricing deals offer exceptional value."

"The staff here really help you with your aquarium advice."

Good to know

1

The tanks at Elite Reef are always clean, indicating good husbandry.

2

Prices for saltwater fish and corals are competitive and fair.

3

Visiting on weekends provides the best selection of livestock.

05
InsideReef image 1
Aquarium shop

Aquarium shop with fresh and saltwater tanks and healthy coral displays creates a calm, friendly atmosphere. Knowledgeable staff maintain quarantine systems and offer in-home setup services. The space includes a couch for kids and features a well-maintained, beautiful layout.

Healthy fish and a great stock stand out here. Staff are willing to find and order specific fish, making it a solid spot for aquarium needs.

Offers a wide selection of aquarium supplies like nets, filters, and spider driftwood. Staff are very knowledgeable and provide services including mail-order fish and home aquarium setups.

People are saying

"Ray genuinely cares about his fish and your tank thriving."

"The owner's passion for aquariums and helping people is truly uncommon."

"The owner here is so knowledgeable and helpful about Local Spot."

Good to know

1

A quarantine system is in place to ensure animals are healthy.

2

Ray could special order specific fish for customers.

3

They offered high quality fish that were always healthy.

06
Reefkoi Corals LLC image 1
Tropical fish store

Organized space showcases coral selection, saltwater and RODI water, and multiple fish tanks. Atmosphere feels welcoming and clean with knowledgeable staff present. Offers affordable pricing and a wide variety of healthy corals, fish, and inverts.

Largest variety of saltwater fish and coral available. Staff offers expert advice to ensure fish compatibility and tank health. Fish and corals come in high quality with no illness issues.

Offers a wide selection of saltwater aquarium supplies and caters well to both new aquarists and enthusiasts. Staff provide knowledgeable support for saltwater aquarium setups.

People are saying

"They're so knowledgeable and helpful with all my fish questions."

"Their staff gives great advice for your aquarium."

"The owner here is so knowledgeable and willing to help."

Good to know

1

Reefkoi Corals LLC offers a point system for future purchases.

2

They send text notifications when new fish, corals, and inverts arrive.

3

The store has a great selection of healthy and vibrant corals, fish, and crustaceans.

07
Aqua Imports image 1
Tropical fish store

Rows of extensive tanks showcase a huge selection of healthy freshwater and saltwater fish, including rare species not found elsewhere locally or online. The atmosphere feels welcoming and knowledgeable, reminiscent of old pet stores with friendly, expert care. Fish arrive in excellent condition and thrive well after purchase.

A huge selection of rare exotic fish arrives in perfect condition and looks healthy. Staff have extensive knowledge about fish and aquarium needs.

Huge stock of fresh and saltwater fish and aquarium supplies covers almost every need. Staff shows strong knowledge of the aquarium industry and offers a wide range of fish, snails, and related products.

People are saying

"The fish arrived in perfect condition, healthy and with clear water."

"The aquarium staff are super helpful and knowledgeable."

"The staff here are so helpful with fish and aquarium care."

Good to know

1

Aqua Imports has a $65 minimum order requirement.

2

All the fish and plants I received arrived healthy.

3

The fish arrived the following day in perfect condition.

08
Fish Den Inc. image 1
Tropical fish store

Numerous well-maintained aquariums showcase a wide variety of healthy freshwater and saltwater fish, including sharks. Low lighting in the compact fish room creates a focused, calm atmosphere. The store feels like a hole-in-the-wall with a simple, unpretentious setup.

A wide variety of healthy fish fills the tanks, including species rarely seen elsewhere. Staff know everything about the fish and maintain a crazy diverse selection that stands out for quality.

Wide variety of healthy fish and quality aquariums fill the store. It stocks a solid range of food and decorations for aquarium setups.

People are saying

"The staff here are so friendly and knowledgeable about fish."

"The sharks in the salt water area are super cool to watch."

"The aquarium staff is so knowledgeable and always ready to help."

Good to know

1

Fish Den Inc. has a wide selection of both freshwater and saltwater fish.

2

They offer quality products for aquarium maintenance and fish care.

3

The store is known for its healthy fish and knowledgeable staff.

09
Rays Tank (Exotic Freshwater Fish Store) image 1

Freshwater fish store offers wide selection of exotic and rare species with healthy, thriving fish in clean aquariums. The atmosphere suits both beginners and experienced keepers, featuring unique creatures and live plants not found in typical chain stores.

A huge and rare freshwater fish selection fills the tanks, all healthy and vibrant. Staff like Erick and Jacob offer knowledgeable help to find exactly the fish you want, including exotic and hard-to-find species.

Super clean aquariums showcase a variety of freshwater fish. Expert help with water chemistry and plant care supports setting up large tanks.

People are saying

"The staff here is so knowledgeable and helpful with the fish."

"Ray and his son helped me pick out fish for my new aquarium."

Good to know

1

Rays Tank offers a wide variety of freshwater fish, including rare species.

2

Expect to find healthy and thriving fish in well-maintained tanks.

3

The store frequently has special promotions on fish and supplies.

10
Seascape Aquatics image 1
Tropical fish store

Clean tanks showcase healthy exotic fish and plants in a well-maintained space. The atmosphere feels straightforward and businesslike, with a focus on quick transactions. Knowledgeable staff support both fresh and saltwater aquarium needs, offering quality fish and supplies at competitive prices.

Fish here are consistently healthy and well cared for with a great selection of both fresh and saltwater species. Staff show deep knowledge and patience, ensuring fish are in top shape before sale.

Great spot for fresh and saltwater aquariums with a solid selection of plants, rocks, and fish. Staff know their stuff and offer helpful advice on aquarium care and maintenance.

People are saying

"The fish here are so healthy; they wouldn't sell you any that weren't in top shape."

"The aquarium staff are super friendly and knowledgeable."

Good to know

1

The staff is knowledgeable about both fresh and saltwater aquariums.

2

The store maintains a clean environment for all tanks and fish.

3

Premixed salt and RODI water are always available for purchase.

11
MC Aquatics - Englewood image 1
Tropical fish store

Stunning store with impressive display tanks and a live coral setup creates a bright, welcoming atmosphere unlike typical dark fish shops. A wide variety of fresh and saltwater fish and plants populate the clean space, with a sandbox for mock aquarium setups adding an interactive element. Music plays softly, enhancing a calm yet engaging vibe.

Healthy fish and excellent animal care stand out here. The store offers a great selection of fish and plants, with staff who help find the right fish for your aquarium.

Staff provide extensive help and knowledge for aquarium setup and maintenance. The shop stocks carefully chosen aquariums and accessories to support aquarium health and well-being.

People are saying

"The staff here is so friendly and knowledgeable about fish."

"The staff here is super helpful and knowledgeable about aquariums."

"The staff here is super knowledgeable and patient with kids."

Good to know

1

MC Aquatics has a great selection of freshwater and saltwater fish, plants, and corals.

2

Prices at MC Aquatics are reasonable for the quality of the products.

3

The shop is often out of saltwater supplies, so check availability before visiting.

12
Butterfly Pavilion image 1

Greenhouse setting filled with lush greenery and vibrant flowers creates a peaceful atmosphere where butterflies thrive. Interactive exhibits allow holding tarantulas and touching starfish, adding a hands-on experience. Family-friendly design includes a children's play area and accessible walkways, blending nature with engagement.

Several aquariums with fish offer a clear view of different species. The setting combines fish displays with other insect exhibits, making it a diverse experience.

Small aquariums offer touch tanks with starfish and crabs. Saltwater tanks display corals, shrimp, and various crabs. Several exhibits feature fish in different aquarium setups.

People are saying

"It's a magical and fun experience for kids."

"It's a fantastic place to bring kids and enjoy looking at the fish."

"The butterfly pavilion felt like a tropical rainforest with thousands of butterflies."

Good to know

1

The Butterfly Pavilion is wheelchair accessible for all visitors.

2

Every day, there is a butterfly release at 12:30 PM and 3:30 PM.

3

Visitors can touch starfish and hold a tarantula during their visit.

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