For Sale UK

Aquarium fish tanks

4

Aquarium fish tanks for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Aquarium fish tanks refurbished & used for sale | For Sale UK
Rectangular glass fish tank - rectangular,

Rectangular glass fish tank - rectangular,

£104.70
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Fish tank ultra clear low - clear,

Fish tank ultra clear low - clear,

£39.99
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Vevor koi aquarium tank above - vevor,

Vevor koi aquarium tank above - vevor,

£165.81
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Fish tank aquarium tropical - fish,

Fish tank aquarium tropical - fish,

£39.99
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Brand new fish tank - fish,

Brand new fish tank - fish,

£172.29
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Aqua one betta trio - aqua,

Aqua one betta trio - aqua,

£131.99
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Diversa aquarium fish tank - aquarium,

Diversa aquarium fish tank - aquarium,

£165.99
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Finest filters compatible air - finest,

Finest filters compatible air - finest,

£5.99
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Betta fish tank - betta, gallon

Betta fish tank - betta, gallon

£21.39
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Aquarium fish tank kit - tank, led

Aquarium fish tank kit - tank, led

£49.99
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Pawhut 51l glass aquarium - 51l,

Pawhut 51l glass aquarium - 51l,

£61.99
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Brand new large fish - brand, **

Brand new large fish - brand, **

£187.90
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Swell small aquarium - small,

Swell small aquarium - small,

£52.99
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Pvc gate valve - for, aquarium

Pvc gate valve - for, aquarium

£36.71
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Swell aquarium 60cm tropical - 60cm,

Swell aquarium 60cm tropical - 60cm,

£95.29
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20l aquarium fish tank with - aquarium,

20l aquarium fish tank with - aquarium,

£33.99
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20l aquarium fish tank with - 20l,

20l aquarium fish tank with - 20l,

£29.59
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Internal aquarium fish - aquarium,

Internal aquarium fish - aquarium,

£16.99
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43l fish tank - 43l,

43l fish tank - 43l,

£64.99
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Plastic aquarium fish tank - aquarium,

Plastic aquarium fish tank - aquarium,

£8.99
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Compact betta fish tank kit - compact,

Compact betta fish tank kit - compact,

£22.99
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20l aquarium fish - fish, tank

20l aquarium fish - fish, tank

£29.59
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Diversa aquarium fish tank - diversa,

Diversa aquarium fish tank - diversa,

£355.99
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Led glass aquarium - glass,

Led glass aquarium - glass,

£49.95
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£26.99
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Aquael glass aquarium - aquarium, fish

Aquael glass aquarium - aquarium, fish

£65.99
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Sagittaria subulata grass live - sagittaria,

Sagittaria subulata grass live - sagittaria,

£14.90
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Aquarium fish tank - bow, front

Aquarium fish tank - bow, front

£499.99
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Small fish tank - aquarium,

Small fish tank - aquarium,

£29.59
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Aquarium stand fish tank - tank,

Aquarium stand fish tank - tank,

£116.70
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Egg crate for aquarium - egg,

Egg crate for aquarium - egg,

£3.49
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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£99.99
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Small fish tank plastic - small,

Small fish tank plastic - small,

£20.99
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Aquarium fish tank sand - fish,

Aquarium fish tank sand - fish,

£72.99
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Display aqua one oakstyle - ex,

Display aqua one oakstyle - ex,

£689.99
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Ciano aqua classic aquarium - ciano,

Ciano aqua classic aquarium - ciano,

£39.45
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Air stone curtain - curtain, bar

Air stone curtain - curtain, bar

£14.99
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Aqua one haven betta tank - aqua, 5l

Aqua one haven betta tank - aqua, 5l

£29.99
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Large fish tank - large,

Large fish tank - large,

£179.95
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150 tablets aquarium algae - 150,

150 tablets aquarium algae - 150,

£19.55
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Aquarium fish tank with - tank,

Aquarium fish tank with - tank,

£26.49
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Aquarium fish tank tropical - fish,

Aquarium fish tank tropical - fish,

£17.99
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Fish tank glass aquarium - fish, tank,

Fish tank glass aquarium - fish, tank,

£61.99
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Nano aquarium ultra white - 6l,

Nano aquarium ultra white - 6l,

£39.99
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Air stone for aquarium fish - stone,

Air stone for aquarium fish - stone,

£2.49
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Aquarium fish tank submersible - fish,

Aquarium fish tank submersible - fish,

£20.99
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Aquarium grass seeds - aquarium,

Aquarium grass seeds - aquarium,

£4.50
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Aquarium plant root tabs - plant,

Aquarium plant root tabs - plant,

£3.95
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Small fish tank aquarium - small,

Small fish tank aquarium - small,

£29.79
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Easy live aquarium plants - aquarium,

Easy live aquarium plants - aquarium,

£8.88
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Hidom aquarium air - aquarium, pump

Hidom aquarium air - aquarium, pump

£25.95
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Hepo aquarium heater fish tank - heater,

Hepo aquarium heater fish tank - heater,

£11.49
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Aquarium starter kit - aquarium,

Aquarium starter kit - aquarium,

£13.46
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Small fish tank gallon - fish,

Small fish tank gallon - fish,

£22.69
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Glass goldfish bowl fish - goldfish,

Glass goldfish bowl fish - goldfish,

£15.99
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Aquarium fish tank background - fish,

Aquarium fish tank background - fish,

£8.65
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Small nano aquarium fish tank - aquarium,

Small nano aquarium fish tank - aquarium,

£54.99
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Aquarium fish tank pump clean - aquarium,

Aquarium fish tank pump clean - aquarium,

£2.87
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Undergravel filter kit - undergravel,

Undergravel filter kit - undergravel,

£13.99
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Pawhut fish tank stand - stand,, 20-29

Pawhut fish tank stand - stand,, 20-29

£79.99
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Nano aquarium fish tank - aquarium,

Nano aquarium fish tank - aquarium,

£24.69
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Activated carbon charcoal - carbon,

Activated carbon charcoal - carbon,

£26.99
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Aqua one focus glass - focus,

Aqua one focus glass - focus,

£95.99
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Aquarium cleaner kit vacuum - cleaner,

Aquarium cleaner kit vacuum - cleaner,

£8.58
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Diversa aquarium with stand - stand, /

Diversa aquarium with stand - stand, /

£479.99
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Aquarium sand substrate - aquarium,

Aquarium sand substrate - aquarium,

£40.00
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Electric gravel vacuum - electric, cleaner

Electric gravel vacuum - electric, cleaner

£10.37
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Electric gravel vacuum - gravel,

Electric gravel vacuum - gravel,

£34.99
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Pcs aquarium fish - , tank

Pcs aquarium fish - , tank

£1.16
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Full spectrum aquarium light - spectrum,

Full spectrum aquarium light - spectrum,

£31.90
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Ciano aqua aquarium - aqua, with

Ciano aqua aquarium - aqua, with

£63.97
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Silent usb aquarium - usb, oxygen

Silent usb aquarium - usb, oxygen

£6.19
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20l aquarium fish tank with - fish,

20l aquarium fish tank with - fish,

£29.69
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Seaview quality aquarium fish - seaview,

Seaview quality aquarium fish - seaview,

£13.49
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Aquarium kit 60cm - aquarium,

Aquarium kit 60cm - aquarium,

£99.99
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Co2 carbon dioxide fire - carbon,

Co2 carbon dioxide fire - carbon,

£275.00
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Fluval provac powered aquarium - fluval,

Fluval provac powered aquarium - fluval,

£49.50
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Display aquaone oakstyle - ex,

Display aquaone oakstyle - ex,

£329.99
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Fish tank set - tank,

Fish tank set - tank,

£20.99
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Aquarium wood root fish - wood, tank

Aquarium wood root fish - wood, tank

£13.99
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Aquarium led lights air bubble - led,

Aquarium led lights air bubble - led,

£15.99
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Aquarium fish tank background - tank,

Aquarium fish tank background - tank,

£9.95
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Swell led complete - led,

Swell led complete - led,

£70.99
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Aquarium fish tank - 4, in

Aquarium fish tank - 4, in

£9.99
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Submersible aquarium light - submersible,

Submersible aquarium light - submersible,

£34.99
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Aquarium cleaner kit - kit, vacuum

Aquarium cleaner kit - kit, vacuum

£10.79
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Brand new large fish - **brand, tank

Brand new large fish - **brand, tank

£187.90
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Brand new glass fish - glass,

Brand new glass fish - glass,

£151.50
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50mm round air - 50mm,

50mm round air - 50mm,

£34.99
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Electric aquarium gravel - aquarium,

Electric aquarium gravel - aquarium,

£10.32
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Aquarium oxygen pump air - aquarium,

Aquarium oxygen pump air - aquarium,

£2.97
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Aquarium gravel fish - aquarium, sand

Aquarium gravel fish - aquarium, sand

£42.99
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Ciano aqua aquarium - aquarium, led

Ciano aqua aquarium - aquarium, led

£50.99
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Aquarium fish tank - pump, clean

Aquarium fish tank - pump, clean

£3.19
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Pawhut fish tank stand with - tank,

Pawhut fish tank stand with - tank,

£61.19
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Transparent round fish bowl - round,

Transparent round fish bowl - round,

£10.99
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📊96 listings · from £1.16 · avg £69.85
⚠️ These listings were last updated more than 11 days ago. Search for fresh listings

Browse 96 aquarium fish tanks listings currently in our index. Prices range from £1.16 to £689.99, with an average of £69.85. 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 aquarium fish tanks →

Try this: marine fish tank | aquarium 5ft | complete marine aquarium | fish tanks | hexagonal fish tank | marine aquarium tank | 3ft aquarium | 5 ft aquarium | aquareef | biorb

Shop by budget

< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

Everything you need to know about aquarium fish tanks

Whether you are looking for a brand-new or second-hand aquarium fish tanks, 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 £1.16, while premium listings can reach £689.99 — giving you a wide budget spread to work with. The average price of £69.85 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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