For Sale USA

400 gallon aquarium

4

400 gallon aquarium for sale on largest auction and classifieds sites

Home / Fish & Aquariums / 400 gallon aquarium refurbished & used for sale | For Sale USA
All one aquarium built - all-in-one,

All one aquarium built - all-in-one,

$9600.30
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400gph aquarium filter for - 400gph,

400gph aquarium filter for - 400gph,

$78.27
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660gph large aquarium filter - 660gph,

660gph large aquarium filter - 660gph,

$184.44
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660gph large aquarium filter - 660gph,

660gph large aquarium filter - 660gph,

$184.70
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New fluval fx6 - a219, high

New fluval fx6 - a219, high

$324.99
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Heavy duty 400lbs aquarium - 400lbs,

Heavy duty 400lbs aquarium - 400lbs,

$47.20
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Seachem large aquarium - –,

Seachem large aquarium - –,

$87.09
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Fluval uvc in line - fluval, in-line

Fluval uvc in line - fluval, in-line

$137.74
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Fish tank dechlorinator - fish,

Fish tank dechlorinator - fish,

$8.98
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Tetra led beta bowl - beta, bowl,

Tetra led beta bowl - beta, bowl,

$17.10
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Fish tank stand gallon - 37,

Fish tank stand gallon - 37,

$64.19
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Gallon fish tank betta - 5,

Gallon fish tank betta - 5,

$129.86
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Rustic brown tier - rustic, aquarium

Rustic brown tier - rustic, aquarium

$129.17
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Powerful 400gph fish tank - powerful,

Powerful 400gph fish tank - powerful,

$72.19
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400p aquarium protein - ps-400p,

400p aquarium protein - ps-400p,

$69.00
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Aquarium stand gallon - stand,

Aquarium stand gallon - stand,

$79.99
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Marineland magniflow 400 - marineland,

Marineland magniflow 400 - marineland,

$159.00
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Gallon fish tank - 20-37,

Gallon fish tank - 20-37,

$64.19
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Gallon fish tank - 20-29-30,

Gallon fish tank - 20-29-30,

$120.24
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Gal fish tank - 55-75, stand

Gal fish tank - 55-75, stand

$171.16
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Fish tank stand gallon - 20,

Fish tank stand gallon - 20,

$47.87
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Gallon fish tank - 20-29-37,

Gallon fish tank - 20-29-37,

$64.19
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Marineland magniflow 400 - marineland,

Marineland magniflow 400 - marineland,

$166.99
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Gallon fish tank - 20-29,

Gallon fish tank - 20-29,

$77.66
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Fish tank dechlorinator - fish,

Fish tank dechlorinator - fish,

$8.99
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400gph aquarium filter - 400gph, 4-in-1

400gph aquarium filter - 400gph, 4-in-1

$31.49
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New fluval fx6 a219 high - fluval,

New fluval fx6 a219 high - fluval,

$405.99
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Seachem large aquarium - –,

Seachem large aquarium - –,

$84.72
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Fish tank filter - tank,

Fish tank filter - tank,

$37.88
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Eshopps 1200 aquarium - pf-1200,

Eshopps 1200 aquarium - pf-1200,

$209.19
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660gph large aquarium - aquarium, filter

660gph large aquarium - aquarium, filter

$182.08
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660gph large aquarium filter - 660gph,

660gph large aquarium filter - 660gph,

$189.18
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Gallon fish tank stand - tank,

Gallon fish tank stand - tank,

$79.99
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Fish tank stand - tank, the

Fish tank stand - tank, the

$121.66
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Heavy duty gallon - heavy-duty,

Heavy duty gallon - heavy-duty,

$126.34
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Gallon fish tank betta - tank,,

Gallon fish tank betta - tank,,

$187.42
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Quietflow led pro aquarium - led,

Quietflow led pro aquarium - led,

$92.60
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Gallon fish tank - 20-29-37,

Gallon fish tank - 20-29-37,

$138.88
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Large aquarium fish tank - –,

Large aquarium fish tank - –,

$122.11
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Adjustable quiet airator pump - adjustable,

Adjustable quiet airator pump - adjustable,

$91.20
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Bestier gal fish tank - 20-37,

Bestier gal fish tank - 20-37,

$75.59
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Aqueon quietflow led pro - aqueon,

Aqueon quietflow led pro - aqueon,

$79.99
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Gallon fish tank stand - gallon,

Gallon fish tank stand - gallon,

$79.78
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Coospider gallon glass - coospider,

Coospider gallon glass - coospider,

$134.27
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Gallon fish tank stand - tank,

Gallon fish tank stand - tank,

$77.66
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Gallon fish tank - 20-30,

Gallon fish tank - 20-30,

$94.92
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Gallon aquarium stand - 37,

Gallon aquarium stand - 37,

$64.19
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Vehipa smart fish tank 5 - vehipa,

Vehipa smart fish tank 5 - vehipa,

$184.25
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Gallon fish tank stand - tank,

Gallon fish tank stand - tank,

$199.48
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Heavy duty gallon - 20-30, metal

Heavy duty gallon - 20-30, metal

$109.99
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Gallon fish tank stand - 5-10,

Gallon fish tank stand - 5-10,

$60.13
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Adjustable 400 gph internal - 400,

Adjustable 400 gph internal - 400,

$35.99
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Heavy duty gallon metal - duty,

Heavy duty gallon metal - duty,

$112.98
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Aquarium filter for - aquarium,

Aquarium filter for - aquarium,

$104.95
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Fish tank stand aquarium - stand,,

Fish tank stand aquarium - stand,,

$71.19
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Tararium t320 t400 - t320-t400, 5

Tararium t320 t400 - t320-t400, 5

$128.69
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Aquarium filter for 150 - filter, 40-150

Aquarium filter for 150 - filter, 40-150

$70.73
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Aquarium stand gallon metal - gallon,

Aquarium stand gallon metal - gallon,

$64.19
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Reefing art ceramic bio - ceramic,

Reefing art ceramic bio - ceramic,

$109.99
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Quietflow led pro aquarium - quietflow, 75

Quietflow led pro aquarium - quietflow, 75

$110.63
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Gallon fish tank stand - gallon,

Gallon fish tank stand - gallon,

$106.11
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Hylemoros gallon fish - gallon,

Hylemoros gallon fish - gallon,

$165.66
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Aquarium filter powerful - aquarium,

Aquarium filter powerful - aquarium,

$60.14
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Gallon fish tank - gallon,

Gallon fish tank - gallon,

$110.74
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Heavy duty gallon metal - heavy,

Heavy duty gallon metal - heavy,

$111.98
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400gph aquarium canister - 400gph,

400gph aquarium canister - 400gph,

$58.75
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Aquarium stand fish tank - aquarium, 37

Aquarium stand fish tank - aquarium, 37

$126.34
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Gallon fish tank stand - tank,

Gallon fish tank stand - tank,

$115.82
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Submersible aquarium filter - uv,

Submersible aquarium filter - uv,

$107.99
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Gallon fish tank stand - 37,

Gallon fish tank stand - 37,

$47.20
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660gph large aquarium filter - 660gph,

660gph large aquarium filter - 660gph,

$175.22
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Hylemoros gallon fish - 20/29/30,

Hylemoros gallon fish - 20/29/30,

$165.66
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Adjustable 400 gph internal - 400,

Adjustable 400 gph internal - 400,

$33.59
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400gph aquarium filter - uv,

400gph aquarium filter - uv,

$71.57
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Tararium aquarium filter - tararium,

Tararium aquarium filter - tararium,

$56.99
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Gallon fish tank stand - 37,

Gallon fish tank stand - 37,

$64.19
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400gph aquarium filter - filter, for

400gph aquarium filter - filter, for

$70.47
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Aquarium filter 400gph large - aquarium,

Aquarium filter 400gph large - aquarium,

$46.00
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Gallon fish tank - gallon,

Gallon fish tank - gallon,

$126.25
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Large fish tank filter - large,

Large fish tank filter - large,

$158.85
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Fish aquarium tank stand - fish,

Fish aquarium tank stand - fish,

$114.83
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Aquarium filter 400gph for - 400gph,

Aquarium filter 400gph for - 400gph,

$43.66
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Gallon fish tank stand - tank,

Gallon fish tank stand - tank,

$135.93
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Fish tank stand - fish, 20

Fish tank stand - fish, 20

$61.08
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Air pump aerator - pump, for

Air pump aerator - pump, for

$93.60
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Aquarium filter 400gph - aquarium,

Aquarium filter 400gph - aquarium,

$64.32
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400gph aquarium filter for - 400gph,

400gph aquarium filter for - 400gph,

$87.10
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Aquarium filter for 10 - aquarium,

Aquarium filter for 10 - aquarium,

$12.15
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Led aquarium clean light - led,

Led aquarium clean light - led,

$35.09
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Gallon fish tank - 20-29-37,

Gallon fish tank - 20-29-37,

$136.42
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Gal fish tank stand w - fish,

Gal fish tank stand w - fish,

$159.09
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Heavy duty aquarium stand - duty,

Heavy duty aquarium stand - duty,

$123.29
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Aquarium filter powerful - aquarium,

Aquarium filter powerful - aquarium,

$53.75
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Gallon fish tank betta - 10,

Gallon fish tank betta - 10,

$134.27
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660gph large aquarium filter - aquarium,

660gph large aquarium filter - aquarium,

$188.33
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Powerful 400gph fish tank - 400gph,

Powerful 400gph fish tank - 400gph,

$72.19
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📊96 listings · from $8.98 · avg $204.8
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 96 400 gallon aquarium listings currently in our index. Prices range from $8.98 to $9600.3, with an average of $204.8. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 400 gallon aquarium →

Try this: 125 gallon aquarium stand | 125 gallon aquarium | 10 gallon aquarium | round fish tank | aquarium table | aquarium cabinet | fluval aquarium | tiger torch | tall fish tanks | reef tank

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Everything you need to know about 400 gallon aquarium

Whether you are looking for a brand-new or second-hand 400 gallon aquarium, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $8.98, while premium listings can reach $9600.3 — giving you a wide budget spread to work with. The average price of $204.8 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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