About
Tucked away in Channahon, Illinois, Mermaid's Cove is a saltwater-focused fish store that has built a loyal following among reef hobbyists across the region — some driving from as far as Iowa and logging two-hour trips just to shop there. The store's primary draw is its saltwater livestock, including reef fish like PJ cardinals and a solid selection of corals, though a few reviewers note the coral inventory could be deeper. They also maintain some freshwater setups, but make no mistake: this is a saltwater shop at heart.
One of Mermaid's Cove's standout offerings is their handmade frozen fish food, crafted specifically for reef tanks. Multiple customers rave about it, with one simply stating their fish "love" the homemade frozen food. It's the kind of detail that signals a store run by people who actually keep tanks themselves.
The owner, Tom, and staff member Matt are frequently mentioned by name. Tom's approach is notably low-pressure — he gives customers space to browse, answers questions patiently, and shares genuine expertise rather than pushing sales. One reviewer recounted bringing home peppermint shrimp on Tom's recommendation to tackle a stubborn aiptasia outbreak in their 45-gallon tank; within two days, 25-plus aiptasia were completely gone after months of failed treatments.
That kind of targeted, practical advice keeps people coming back. Mermaid's Cove also attends coral shows — they were spotted at one in Clio, Michigan — and are known for offering some of the best prices on clean-up crew invertebrates in the area. The pricing, in fact, comes up in nearly every positive review, with multiple customers calling their rates the best around.
A few reviewers have dinged the shop's tidiness, noting the space could use some attention. But the overwhelming consensus is that this is a store where the owner genuinely cares more about your tank's success than your wallet. For saltwater and reef enthusiasts in the greater Channahon area, it's a destination worth seeking out.
What they offer
Livestock, services, water
- Livestock & products
- Services
- Consultation
- Specializes in
Highlights
What makes them special
- Handmade frozen reef food crafted in-house
- Best prices on clean-up crew invertebrates in the region
- Low-pressure, knowledgeable owner Tom who gives practical reef advice
- Attends regional coral shows with quality livestock
- Draws loyal customers from hours away including out-of-state
From keepers
Customer reviews
“Tom was very helpful. Patient and knowledgeable. He took his time answering my questions and did not pressure me to buy. I highly recommend you stop here for your saltwater aquarium needs.”
— Ray Frias5.0a month ago“The staff here are super nice, helpful, and knowledgeable. You have to check this place out if you have a salt water tank. They also have some fresh water setup also. If you like fish in general, this place is the place to go!!! No mermaids here though unfortunately.”
— Thompson Nguyen5.0a year ago“Staff is helpful and knowledgeable, the prices are great, and my fish love their handmade frozen food!!!”
— James Huff5.02 years ago“Very knowledgeable owner. Good prices.”
— Asper Knolls5.02 years ago“Not a real impressive shop. Very disappointed.”
— Jake Mckean1.02 years ago“Good looking store and they make their own food for reef tanks!”
— Caleb Andersen5.02 years ago“Really good storer the owner is a nice guy with lots of knowledge. He lets you watch around and give you time to choose what you want. no like others stores that they try to sell you everything on the store when you cross the door. Really good prices, if not the best around the area.”
— Kafer Bros5.02 years ago“Quality fish at a good price. Losses one star due to cleanliness of the shop. Losses one star for not much coral.”
— Tyler Frick3.04 years ago“Awesome place all saltwater fish 🐠🐟 no fresh very cool place to visit”
— Corinne Bunetto4.04 years ago“Great selection, knowledgeable staff!”
— Mike lee5.04 years ago
Reference
Frequently asked questions
Note — Store information and services may change. Always call (815) 474-0707 to confirm current availability, hours, and services before visiting Mermaid's Cove.