Find the Perfect Aquarium at AquariumSpecialty.com

Are you in the market for a new aquarium? Whether you're building your first saltwater reef tank, freshwater aquarium or upgrading to a larger custom glass aquarium, AquariumSpecialty.com has everything you need to make your dream tank a reality. We carry one of the most diverse selections of aquariums for sale online, and our exclusive aquarium configurator tool offers thousands of options to design a tank that fits your exact space and vision. Click the embeded link below to see how the tool works with one of our GlassCages aquariums. We still have more work to do with the configurator tool be you can see how easy it is to use. The aquarium configurator tool will even help you select the proper equipment that will be compatible with your tank build. 

A Huge Variety of Aquariums for Every Aquarist

We understand that every aquarist has different needs. That’s why we offer everything From compact nano aquariums to reef-ready show tanks, all-in-one systems, and fully customizable aquariums built to your specifications.

Popular aquarium types available:

• Saltwater and freshwater aquariums
• All-in-one aquarium kits
• Reef-ready tanks
• Peninsula-style aquariums
• Rimless aquariums
• Acrylic aquariums
• Nano tanks
• Aquariums with built-in filtration and lighting

Shop the Top Aquarium Brands in the Industry

We proudly carry only the most trusted, high-quality aquarium brands in the hobby. These systems are known for their durability, clean design, and long-term performance.

Top brands we carry include:

• Red Sea Aquariums – Known for the Reefer Series, ideal for high-performance reef tank systems.
• Planet Aquariums – USA-made, high-clarity glass aquariums with custom options.
• Tideline Aquariums – Value-packed systems with stand and sump configurations for marine or freshwater use.
• GlassCages – Custom-made aquariums and stands with unmatched build flexibility and U.S.-based craftsmanship.
• Clear for Life Acrylic Aquariums – Lightweight acrylic tanks available in standard and custom shapes.
• Cade Aquariums – European design combined with integrated filtration and sleek aesthetics.
• SC Aquariums – Budget-friendly reef-ready aquariums with built-in overflows.
• Lifegard Aquatics – Quality glass aquariums with 45° mitered edges and simple all-in-one formats.

Small aquarium options:

• Dymax Aquariums – Stylish nano tanks ideal for freshwater shrimp, bettas, or planted setups.
• Dennerle Aquariums – German-engineered nano tanks perfect for desktop freshwater aquascaping.

Whether you're looking for a 120-gallon reef tank, a 40-gallon breeder aquarium, or a sleek desktop nano aquarium, AquariumSpecialty.com has a solution for every space and hobby level.

Customize Your Aquarium with Our Configurator Tool

What makes AquariumSpecialty.com unique is our exclusive interactive aquarium configurator tool. This tool lets you design a custom aquarium online and tailor it to your exact size and layout preferences.

With the aquarium configurator, you can:

• Choose tank shape: rectangular, cube, peninsula, or fully custom
• Set tank dimensions
• Select standard or low-iron glass options
• Add euro bracing, overflow placement, and hole drilling
• Include matching sump, stand, lid (coming soon) and aquarium equipment

Whether you're building a wall-to-wall reef or a compact planted tank, our aquarium configurator makes it easier than ever to bring your vision to life.

Why Choose AquariumSpecialty.com?

• Massive selection of aquariums in all sizes and styles
• Top-rated brands for reef and freshwater systems
• Custom aquarium builder tool for total flexibility
• Expert-level customer service From real aquarists
• Fast, reliable shipping across the U.S.

Start Building Your Dream Aquarium Today

If you're searching for where to buy aquariums online, look no further than AquariumSpecialty.com. Browse our full collection of reef-ready aquariums, nano tanks, and custom glass aquariums, or start designing your own with our aquarium configurator tool today. Whether you are looking for a nano aquarium, 150 gallon aquarium, 150 gallon fish tank, or custom large aquarium, Aquarium Specialty can hel you with your aquarium needs.