About
Tucked in the basement of a strip of shops in Silver Spring, Maryland, Tropical Lagoon Aquarium is the kind of place you have to know about to find. Look for the door with painted fish around it, descend the stairs, and you'll enter a cramped but densely packed world of freshwater and saltwater fish that has kept loyal customers coming back for over a decade. The space is small, dimly lit, and unapologetically no-frills — reviewers describe it as dark and dingy — but the tanks themselves are shockingly clean and the fish are healthy.
That contrast says everything about where the store's priorities lie. The owner's close attention to detail and deep experience show in the quality of livestock and a curated selection that somehow always hits the mark. Multiple customers note finding saltwater species here that don't show up at other local fish stores, and the coral selection is solid enough to satisfy reef hobbyists making a dedicated trip.
Pricing is competitive, often beating other shops in the DC Metro and Maryland area. One longtime customer who regularly ventures out to eastern Maryland and northern Virginia for special acquisitions says Tropical Lagoon consistently offers the best combination of selection and value. Staff are knowledgeable and attentive — even when the store is packed with customers, they make time to educate newcomers on water changes and tank care practices.
The store stocks both freshwater and saltwater fish along with corals, and at least one reviewer mentions it as a source for fresh-killed feeder mice, hinting at a broader inventory for reptile keepers as well. One quirk: the phone line is perpetually busy, so plan to visit in person rather than calling ahead to check stock. Parking is available in the adjacent lot — free on weekends, metered during the week.
For anyone in the Silver Spring or greater DC Metro area looking for a deeply stocked, competitively priced fish store run by people who genuinely care about their livestock, the trip downstairs is well worth it.
What they offer
Livestock, services, water
- Livestock & products
- Services
- Consultation
- Specializes in
Highlights
What makes them special
- Basement location with an enormous selection packed into a compact space
- Shockingly clean tanks with healthy freshwater and saltwater fish
- Competitive pricing consistently noted as among the best in the DC Metro area
- Saltwater species and corals not commonly found at other local stores
- Knowledgeable staff who take time to educate customers on fish care
From keepers
Customer reviews
“If you can find it, you will be pleasantly surprised. Look for the door with painted fish around it, squeezed between other random shops. Store is in the basement....be ready for stairs. The trip is worth it! Small, cramped space but a great selection of fresh and saltwater fish!”
— Tim Dawson4.06 days ago“Very knowledgeable...great staff!!!”
— Jamel Williams5.0a week ago“Great store, Low prices and a lot of fish I visit weekly”
— Kevin Rubio5.0a month ago“Really hidden gem in silver spring, and was like visiting an aquarium for free! So many different species and the thanks were shockingly clean, I don’t know how they do it! I only have goldfish so I don’t know if they’ll have more for me to come back and buy but I would recommend to place 100%! Lots of saltwater variety. If I ever get a saltwater tank, I know where to go.”
— Joaquin Perez5.02 months ago“epic place with epic staff and epic fish.”
— Dustin Shi5.03 months ago“Good shop. They had what I needed. Decent coral selection!”
— DJ City4.03 months ago“This is my go-to local fish store. Species shown below are healthy from the store and living in my aquarium . Great staffs and service at Tropical Largoon!”
— Anh-Tai Nguyen5.04 months ago“This is a location with a pretty good selection of the most popular salt water fish that’s available on the market currently. They had some fish you don’t see a lot in other local stores so it was overall a good visit. The employees were helpful, despite there being a lot of customers they made sure everyone was checked on. I heard them educating someone as well on water changes and best care practices for evolving tanks. I’d recommend this place for sure. Parking is in a lot next to the building, free on Sat/Sun and paid M-F. It is next to a lounge but just take the stairs down.”
— Andrea Kuoni5.05 months ago“great care for the fish!”
— Dani Phantom5.05 months ago“Great variety, friendly staff”
— Christie Sweet5.06 months ago
Reference
Frequently asked questions
Note — Store information and services may change. Always call (301) 585-6562 to confirm current availability, hours, and services before visiting Tropical Lagoon Aquarium.