Nano Aquariums

A nano aquarium is a small saltwater tank, typically under 30 gallons, that lets you enjoy reef keeping without needing a lot of space. These tanks are popular for their size and versatility, often used on desks, counters, or in rooms where a full-size setup just isn't practical. With the right equipment and care, a nano tank can support all sorts of setups from fish only to full on reefs.

They're also a great way to start a reef without breaking the bank. Smaller generally mean lower costs for equipment, lighting, and ongoing maintenance, making them a budget-friendly option for getting into the saltwater hobby. You can still build a high-quality setup with reliable gear and eye-catching corals, all while keeping things simple and affordable.

What is the best size saltwater aquarium?
5 Ideas For 5 Gallon Tanks: How to Stock a Pico Aquarium
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78 Items

  1. INT-M 32 Gallon Rimless Aquarium
    Fiji Cube
    INT-M 32 Gallon Rimless Aquarium
    $527.99 $659.99

  2. EXT 32 Gallon Rimless Aquarium
    Fiji Cube
    EXT 32 Gallon Rimless Aquarium
    $527.99 $659.99

  3. EXT 22.4 Gallon Rimless Aquarium
    Fiji Cube
    EXT 22.4 Gallon Rimless Aquarium
    $399.99 $499.99

  4. EXT 11 Gallon Rimless Aquarium
    Fiji Cube
    EXT 11 Gallon Rimless Aquarium
    $263.99 $329.99

  5. 22.4 Gallon PRO All-In-One Aquarium
    Fiji Cube
    22.4 Gallon PRO All-In-One Aquarium
    $319.99 $399.99

  6. 20 Gallon PRO Peninsula All-In-One Aquarium
    Fiji Cube
    20 Gallon PRO Peninsula All-In-One Aquarium
    $319.99 $399.99

  7. 10 Gallon PRO All-In-One Aquarium
    Fiji Cube
    10 Gallon PRO All-In-One Aquarium
    $239.99 $299.99

  8. Clownfish & Anemone Aquarium Kit
    HelloReef
    Clownfish & Anemone Aquarium Kit
    $501.49 $589.99

  9. HelloReef 15 Gallon Aquarium & Black Stand Bundle
    HelloReef
    HelloReef 15 Gallon Aquarium & Black Stand Bundle
    $399.99 $399.99

  10. HelloReef 15 Gallon Aquarium & White Stand Bundle
    HelloReef
    HelloReef 15 Gallon Aquarium & White Stand Bundle
    $399.99 $399.99

  11. HelloReef 15 Gallon Aquarium & Dark Brown Stand Bundle
    HelloReef
    HelloReef 15 Gallon Aquarium & Dark Brown Stand Bundle
    $399.99 $399.99

  12. HelloReef 15 Gallon Aquarium & Multi Brown Stand Bundle
    HelloReef
    HelloReef 15 Gallon Aquarium & Multi Brown Stand Bundle
    $399.99 $399.99

  13. 20 NUVO Fusion AIO Long Aquarium
    Innovative Marine
    20 NUVO Fusion AIO Long Aquarium
    $169.99 $169.99

  14. 25 NUVO Fusion AIO Lagoon Aquarium
    Innovative Marine
    25 NUVO Fusion AIO Lagoon Aquarium
    $249.99 $249.99

  15. 38 Gallon Peninsula Rimless AIO Nano Aquarium PRO Series
    Fiji Cube
    38 Gallon Peninsula Rimless AIO Nano Aquarium PRO Series
    $583.99 $729.99

  16. UNS 60A Dual All-In-One Aquarium (20 Gallons)
    Ultum Nature Systems
    UNS 60A Dual All-In-One Aquarium (20 Gallons)
    $289.99 $289.99

  17. UNS 60SA Dual All-In-One Aquarium (10.2 Gallons)
    Ultum Nature Systems
    UNS 60SA Dual All-In-One Aquarium (10.2 Gallons)
    $249.99 $249.99

  18. UNS 40A Dual All-In-One Aquarium (16.9 Gallons)
    Ultum Nature Systems
    UNS 40A Dual All-In-One Aquarium (16.9 Gallons)
    $269.99 $269.99

  19. UNS 35A Dual All-In-One Aquarium (11.3 Gallons)
    Ultum Nature Systems
    UNS 35A Dual All-In-One Aquarium (11.3 Gallons)
    $219.99 $219.99

  20. UNS 30A Dual All-In-One Aquarium (7.1 Gallons)
    Ultum Nature Systems
    UNS 30A Dual All-In-One Aquarium (7.1 Gallons)
    $169.99 $169.99

  21. UNS 90LA Dual All-In-One Aquarium (21.4 Gallons)
    Ultum Nature Systems
    UNS 90LA Dual All-In-One Aquarium (21.4 Gallons)
    $379.99 $379.99

  22. UNS 45A Dual All-In-One Aquarium (9.3 Gallons)
    Ultum Nature Systems
    UNS 45A Dual All-In-One Aquarium (9.3 Gallons)
    $189.99 $189.99

  23. UNS 45SA Dual All-In-One Aquarium (5.9 Gallons)
    Ultum Nature Systems
    UNS 45SA Dual All-In-One Aquarium (5.9 Gallons)
    $169.99 $169.99

  24. DeskMate 4.8 Gallon AIO Nano Tank Bundle
    Bulk Reef Supply
    DeskMate 4.8 Gallon AIO Nano Tank Bundle
    $299.99 $299.99

  25. Reef Pro 15 Gallon Aquarium Kit
    Bulk Reef Supply
    Reef Pro 15 Gallon Aquarium Kit
    $799.99 $999.99

  26. Reef Master 15 Gallon Aquarium Kit
    Bulk Reef Supply
    Reef Master 15 Gallon Aquarium Kit
    $1,399.99 $1,749.99

  27. Reef Ready 33 Gallon Aquarium Kit
    Bulk Reef Supply
    Reef Ready 33 Gallon Aquarium Kit
    $999.99 $1,249.99