About
Reef Monsters is a saltwater-only shop in Mesa, Arizona, that has built a devoted following across the Phoenix valley for one clear reason: their coral selection is exceptional. Reviewers consistently describe finding pieces here that no other local fish store carries, including bucket-list corals at prices that leave customers feeling like they got away with something. Owners James and Ashley (known affectionately as Brother J and Ash) hand-pick every fish and coral that enters the shop, and it shows — livestock is repeatedly described as vibrant, healthy, and top quality.
This is a family-run operation with a family feel. Walk in and you'll find immaculately clean tanks, a display reef that showcases the owners' passion, and a willingness to spend real time with every customer. New reefers praise how James and Ashley break down the basics without condescension, while experienced hobbyists with a decade in the hobby confirm these two genuinely know their stuff.
One reviewer's four-year-old granddaughter was mesmerized by the color in every tank — a testament to the care that goes into maintaining the livestock. Beyond corals, Reef Monsters stocks a solid selection of saltwater fish, with clownfish called out specifically by multiple reviewers. They carry live rock, reef supplies, and various critters for mixed reef setups.
If something isn't in stock, tell James and the team what you're looking for and they'll source it. Several reviewers mention making the drive from across the valley — and one couple from Durango, Colorado — specifically because the quality here outpaces what they find elsewhere or online. One important note: this is strictly a saltwater shop.
Freshwater hobbyists have occasionally made the trip only to discover that Reef Monsters lives up to its name exclusively. But for anyone running a reef tank in the greater Mesa and Phoenix area, this store has earned its reputation as a destination worth the drive. Restocks draw regulars back weekly, and the passion behind the glass is unmistakable.
What they offer
Livestock, services, water
- Livestock & products
- Services
- Consultation
- Specializes in
Highlights
What makes them special
- Hand-picked coral selection with rare pieces unavailable elsewhere in the Phoenix valley
- Owners James and Ashley personally guide customers through livestock selection and reef care
- Exceptionally clean tanks and healthy, vibrant livestock
- Saltwater-only specialty shop with strong clownfish and live rock inventory
- Will source specific fish and corals by request if not currently in stock
From keepers
Customer reviews
“Awesome store!”
— Michael Goetz5.0a month ago“Great corals and fish. Everyone that works here knows there stuff and can help both beginners and advanced reefer owners. Best part is they hand pick their fish and corals. If you want something you just tell them and they get uou a great specimen.”
— Joe Dairman5.02 months ago“Great staff, amazing coral and fish selection.”
— David Mitchell5.0Edited 2 months ago“I’m just getting started with saltwater fish and corals, and the folks at Reef Monsters in Mesa have been so kind and patient. They made me feel comfortable asking questions and helped me understand what I was seeing in all the tanks. My 4-year-old granddaughter came with me today and was completely mesmerized by all the colorful animals — every fish and coral looked vibrant and healthy. It’s such a beautiful, welcoming shop, and you can tell they truly care about their animals and their customers.”
— Mary Hammer5.03 months ago“Brother J and Ash are simply the best”
— Roger Bell5.0Edited 4 months ago“They are pretty great here. Best quality in the valley.”
— James Kitchell5.06 months ago“I love this place! The owners are always nice, and they have the coolest corals. They take the time to answer all my questions. I will always go to The Reef Monster.”
— Christian Wimmer5.09 months ago“Stopped in with my brother-in-law while visiting from out of state. A great little shop with helpful and friendly staff! Great prices, too!”
— Kevin Szurek5.0a year ago“Really caring, cheap, and knowledgeable!”
— Heidi Stevens5.0a year ago“This is my go-to shop for all of my aquarium needs. Ashley and James are simply the best. I've learned so much about managing my aquarium as they've always taken the time to explain even the basic of things to me on countless occasions. Place comes highly recommended 👌”
— Anthony Lampkin5.0a year ago
Reference
Frequently asked questions
Note — Store information and services may change. Always call (480) 641-4924 to confirm current availability, hours, and services before visiting Reef Monsters.