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51 - 100 Gallons

In many cases, saltwater aquariums in the 50 to 100 gallon range are the best of both worlds. Large enough that you have more abundant fish options vs a smaller aquarium, but small enough that tank maintenance doesn't become overwhelming. Most tanks in this size range are between 3 feet and 4 feet long, so they can still make for an impressive centerpiece in your living space or office.
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63 Items

  1. MAX NANO G2 XXL Aquarium (53 Gal)
    1 Review
    Red Sea
    MAX NANO G2 XXL Aquarium (53 Gal)
    From: $2,049.00

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  2. REEFER 250 G3 Aquarium System (54 Gallons)
    Red Sea
    REEFER 250 G3 Aquarium System (54 Gallons)
    From: $2,399.00

    Choose Options Notify Me When In-Stock
  3. REEFER 300 G3 Aquarium System (65 Gallons)
    Red Sea
    REEFER 300 G3 Aquarium System (65 Gallons)
    From: $2,599.00

    Choose Options Notify Me When In-Stock
  4. REEFER 350 G3 Aquarium System (72 Gallons)
    Red Sea
    REEFER 350 G3 Aquarium System (72 Gallons)
    From: $2,799.00

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  5. REEFER 425 G3 Aquarium System (91 Gallons)
    Red Sea
    REEFER 425 G3 Aquarium System (91 Gallons)
    From: $3,499.00

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  6. REEFER Peninsula 350 G3 Aquarium System (73 Gallons)
    Red Sea
    REEFER Peninsula 350 G3 Aquarium System (73 Gallons)
    From: $3,399.00

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  7. REEFER Deluxe 250 G3 Aquarium System (54 Gallons) (incl. 2 x ReefLED 115)
    Red Sea
    REEFER Deluxe 250 G3 Aquarium System (54 Gallons) (incl. 2 x ReefLED 115)
    From: $3,400.00

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  8. REEFER Deluxe 300 G3 Aquarium System (65 Gallons) (incl. 2 x ReefLED 115)
    Red Sea
    REEFER Deluxe 300 G3 Aquarium System (65 Gallons) (incl. 2 x ReefLED 115)
    From: $3,600.00

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  9. REEFER Deluxe 350 G3 Aquarium System (72 Gallons) (incl. 2 x ReefLED 115)
    Red Sea
    REEFER Deluxe 350 G3 Aquarium System (72 Gallons) (incl. 2 x ReefLED 115)
    From: $3,800.00

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  10. REEFER Deluxe 425 G3 Aquarium System (91 Gallons) (incl. 2 x ReefLED 170)
    Red Sea
    REEFER Deluxe 425 G3 Aquarium System (91 Gallons) (incl. 2 x ReefLED 170)
    From: $4,970.00

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  11. REEFER Deluxe 425 G3 Aquarium System (91 Gallons) (incl. 2 x ReefLED 115)
    Red Sea
    REEFER Deluxe 425 G3 Aquarium System (91 Gallons) (incl. 2 x ReefLED 115)
    From: $4,500.00

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  12. REEFER Deluxe Peninsula 350 G3 Aquarium System (73 Gallons) (incl. 2 x ReefLED 115)
    Red Sea
    REEFER Deluxe Peninsula 350 G3 Aquarium System (73 Gallons) (incl. 2 x ReefLED 115)
    From: $4,460.00

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  13. REEFER MAX 250 G3 Aquarium System (54 Gallons)
    Red Sea
    REEFER MAX 250 G3 Aquarium System (54 Gallons)
    From: $4,999.00

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  14. REEFER MAX 300 G3 Aquarium System (65 Gallons)
    Red Sea
    REEFER MAX 300 G3 Aquarium System (65 Gallons)
    From: $5,299.00

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  15. REEFER MAX 350 G3 Aquarium System (72 Gallons)
    Red Sea
    REEFER MAX 350 G3 Aquarium System (72 Gallons)
    From: $5,599.00

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  16. REEFER MAX 425 G3 Aquarium System (91 Gallons)
    Red Sea
    REEFER MAX 425 G3 Aquarium System (91 Gallons)
    From: $6,399.00

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  17. REEFER MAX Peninsula 350 G3 Aquarium System (73 Gallons)
    Red Sea
    REEFER MAX Peninsula 350 G3 Aquarium System (73 Gallons)
    From: $6,299.00

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  18. AIO 65.4 Aquarium System (65 gallons)
    Waterbox Aquariums
    AIO 65.4 Aquarium System (65 gallons)
    From: $2,049.00

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  19. MARINE X 90.3 Aquarium System (59 Gallons)
    Waterbox Aquariums
    MARINE X 90.3 Aquarium System (59 Gallons)
    From: $2,299.00

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  20. MARINE X 110.4 Aquarium System (79 Gallons)
    Waterbox Aquariums
    MARINE X 110.4 Aquarium System (79 Gallons)
    From: $2,649.00

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  21. MARINE EX 90.3 Aquarium System (59 Gallons)
    Waterbox Aquariums
    MARINE EX 90.3 Aquarium System (59 Gallons)
    From: $2,799.00

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  22. MARINE EX 110.4 Aquarium System (79 Gallons)
    2 Reviews
    Waterbox Aquariums
    MARINE EX 110.4 Aquarium System (79 Gallons)
    From: $3,209.00

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  23. INFINIA Frag 125.4 Aquarium System (78 Gallons) - Waterbox
    Waterbox Aquariums
    INFINIA Frag 125.4 Aquarium System (78 Gallons) - Waterbox
    From: $3,119.00

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  24. INFINIA Frag 155.5 Aquarium System (98 Gallons) - Waterbox
    1 Review
    Waterbox Aquariums
    INFINIA Frag 155.5 Aquarium System (98 Gallons) - Waterbox
    From: $4,099.00

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  25. Peninsula 4820 Aquarium & Stand (79 Gallons) - Waterbox
    Waterbox Aquariums
    Peninsula 4820 Aquarium & Stand (79 Gallons) - Waterbox
    From: $3,099.00

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  26. CLEAR 4820 Aquarium & Stand (72 Gallons)
    Waterbox Aquariums
    CLEAR 4820 Aquarium & Stand (72 Gallons)
    From: $1,808.00

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  27. SR-60 NUVO PRO 2 AIO Aquarium with Black APS Stand
    Innovative Marine
    SR-60 NUVO PRO 2 AIO Aquarium with Black APS Stand
    $1,648.80 $2,061.00

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  28. SR-60 NUVO PRO 2 AIO Aquarium with White APS Stand
    Innovative Marine
    SR-60 NUVO PRO 2 AIO Aquarium with White APS Stand
    $1,648.80 $2,061.00

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  29. Bring Your Own Aquarium Saltwater Starter Kit - 55/75 Gallon
    Bulk Reef Supply
    Bring Your Own Aquarium Saltwater Starter Kit - 55/75 Gallon
    $479.99 $479.99

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  30. 48
    Glasscages
    48" Rimless Low-Iron Glass Aquarium w/ Black Stand (73 Gallons)
    $4,285.00 $4,285.00

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  31. 60
    Glasscages
    60" Rimless Low-Iron Glass Aquarium w/ Black Stand (120 Gallons)
    $5,520.00 $5,520.00

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  32. 57 Gallon Shallow Internal Overflow Rimless Aquarium
    Fiji Cube
    57 Gallon Shallow Internal Overflow Rimless Aquarium
    $1,299.99 $1,299.99

  33. 57 Gallon Shallow External Overflow Rimless Aquarium
    Fiji Cube
    57 Gallon Shallow External Overflow Rimless Aquarium
    $1,299.99 $1,299.99

  34. 76 Gallon Shallow External Overflow Rimless Aquarium
    1 Review
    Fiji Cube
    76 Gallon Shallow External Overflow Rimless Aquarium
    $1,549.99 $1,549.99

  35. 76 Gallon Shallow Internal Overflow Rimless Aquarium
    Fiji Cube
    76 Gallon Shallow Internal Overflow Rimless Aquarium
    $1,549.99 $1,549.99

  36. 57 Gallon Shallow External Overflow Rimless Aquarium Full Package
    1 Review
    Fiji Cube
    57 Gallon Shallow External Overflow Rimless Aquarium Full Package
    From: $2,449.99

    Choose Options Notify Me When In-Stock
  37. 57 Gallon Shallow External Overflow Rimless Aquarium with Stand
    3 Reviews
    Fiji Cube
    57 Gallon Shallow External Overflow Rimless Aquarium with Stand
    From: $2,049.99

    Choose Options Notify Me When In-Stock
  38. 57 Gallon Shallow Internal Overflow Rimless Aquarium with Stand
    Fiji Cube
    57 Gallon Shallow Internal Overflow Rimless Aquarium with Stand
    From: $2,049.99

    Choose Options Notify Me When In-Stock
  39. 76 Gallon Shallow External Overflow Rimless Aquarium Full Package
    Fiji Cube
    76 Gallon Shallow External Overflow Rimless Aquarium Full Package
    From: $2,849.99

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  40. 76 Gallon Shallow External Overflow Rimless Aquarium with Stand
    Fiji Cube
    76 Gallon Shallow External Overflow Rimless Aquarium with Stand
    From: $2,449.99

    Choose Options Notify Me When In-Stock

Best Aquariums of the Year - Learn More