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 - rectangular,

Rectangular glass fish - rectangular,

£104.70
Buy It Now

» View on eBay #sponsored
Fish tank ultra clear low - tank,

Fish tank ultra clear low - tank,

£39.99
Buy It Now

» View on eBay #sponsored
Vevor koi aquarium tank above - aquarium,

Vevor koi aquarium tank above - aquarium,

£165.81
Buy It Now

» View on eBay #sponsored
Fish tank aquarium tropical - aquarium,

Fish tank aquarium tropical - aquarium,

£39.99
Buy It Now

» View on eBay #sponsored
Brand new fish tank - **brand,

Brand new fish tank - **brand,

£172.29
Buy It Now

» View on eBay #sponsored
Aqua one betta - one, trio

Aqua one betta - one, trio

£131.99
Buy It Now

» View on eBay #sponsored
Diversa aquarium fish tank - diversa,

Diversa aquarium fish tank - diversa,

£165.99
Buy It Now

» View on eBay #sponsored
Finest filters compatible - finest,

Finest filters compatible - finest,

£5.99
Buy It Now

» View on eBay #sponsored
Betta fish tank gallon - betta,

Betta fish tank gallon - betta,

£21.39
Buy It Now

» View on eBay #sponsored
Aquarium fish tank kit led - aquarium,

Aquarium fish tank kit led - aquarium,

£49.99
Buy It Now

» View on eBay #sponsored
Pawhut 51l glass aquarium - 51l, fish

Pawhut 51l glass aquarium - 51l, fish

£61.99
Buy It Now

» View on eBay #sponsored
Brand new large fish - **,

Brand new large fish - **,

£187.90
Buy It Now

» View on eBay #sponsored
Swell small aquarium - swell,

Swell small aquarium - swell,

£52.99
Buy It Now

» View on eBay #sponsored
Pvc gate valve for aquarium - gate,

Pvc gate valve for aquarium - gate,

£36.71
Buy It Now

» View on eBay #sponsored
Swell aquarium 60cm tropical - swell,

Swell aquarium 60cm tropical - swell,

£95.29
Buy It Now

» View on eBay #sponsored
20l aquarium fish - aquarium, with

20l aquarium fish - aquarium, with

£33.99
Buy It Now

» View on eBay #sponsored
20l aquarium fish - aquarium, with

20l aquarium fish - aquarium, with

£29.59
Buy It Now

» View on eBay #sponsored
Internal aquarium fish tank - fish,

Internal aquarium fish tank - fish,

£16.99
Buy It Now

» View on eBay #sponsored
43l fish tank - fish, aquarium

43l fish tank - fish, aquarium

£64.99
Buy It Now

» View on eBay #sponsored
Plastic aquarium fish tank - plastic,

Plastic aquarium fish tank - plastic,

£8.99
Buy It Now

» View on eBay #sponsored
Compact betta fish tank kit - compact,

Compact betta fish tank kit - compact,

£22.99
Buy It Now

» View on eBay #sponsored
20l aquarium fish - tank, with

20l aquarium fish - tank, with

£29.59
Buy It Now

» View on eBay #sponsored
Diversa aquarium fish tank - aquarium,

Diversa aquarium fish tank - aquarium,

£355.99
Buy It Now

» View on eBay #sponsored
Led glass aquarium fish tank - led,

Led glass aquarium fish tank - led,

£49.95
Buy It Now

» View on eBay #sponsored
Aquarium fish tank submersible - fish,

Aquarium fish tank submersible - fish,

£26.99
Buy It Now

» View on eBay #sponsored
Aquael glass aquarium fish - aquael,

Aquael glass aquarium fish - aquael,

£65.99
Buy It Now

» View on eBay #sponsored
Sagittaria subulata grass live - subulata,

Sagittaria subulata grass live - subulata,

£14.90
Buy It Now

» View on eBay #sponsored
Aquarium fish tank - fish, bow

Aquarium fish tank - fish, bow

£499.99
Buy It Now

» View on eBay #sponsored
Small fish tank aquarium - small,

Small fish tank aquarium - small,

£29.59
Buy It Now

» View on eBay #sponsored
Aquarium stand fish tank - aquarium,

Aquarium stand fish tank - aquarium,

£116.70
Buy It Now

» View on eBay #sponsored
Egg crate for aquarium - crate,

Egg crate for aquarium - crate,

£3.49
Buy It Now

» View on eBay #sponsored
Aquarium fish tank external - tank,

Aquarium fish tank external - tank,

£99.99
Buy It Now

» View on eBay #sponsored
Small fish tank - fish, plastic

Small fish tank - fish, plastic

£20.99
Buy It Now

» View on eBay #sponsored
Aquarium fish tank - aquarium, sand

Aquarium fish tank - aquarium, sand

£72.99
Buy It Now

» View on eBay #sponsored
Display aqua one - ex,

Display aqua one - ex,

£689.99
Buy It Now

» View on eBay #sponsored
Ciano aqua classic - ciano,

Ciano aqua classic - ciano,

£39.45
Buy It Now

» View on eBay #sponsored
Air stone curtain bubble - stone, bar

Air stone curtain bubble - stone, bar

£14.99
Buy It Now

» View on eBay #sponsored
Aqua one haven - betta, tank

Aqua one haven - betta, tank

£29.99
Buy It Now

» View on eBay #sponsored
Large fish tank - fish,

Large fish tank - fish,

£179.95
Buy It Now

» View on eBay #sponsored
150 tablets aquarium algae - 150,

150 tablets aquarium algae - 150,

£19.55
Buy It Now

» View on eBay #sponsored
Aquarium fish tank with - 5l,

Aquarium fish tank with - 5l,

£26.49
Buy It Now

» View on eBay #sponsored
Aquarium fish tank tropical - fish,

Aquarium fish tank tropical - fish,

£17.99
Buy It Now

» View on eBay #sponsored
Fish tank glass aquarium with - fish,

Fish tank glass aquarium with - fish,

£61.99
Buy It Now

» View on eBay #sponsored
Nano aquarium ultra white - nano,

Nano aquarium ultra white - nano,

£39.99
Buy It Now

» View on eBay #sponsored
Air stone for aquarium - for,

Air stone for aquarium - for,

£2.49
Buy It Now

» View on eBay #sponsored
Aquarium fish tank submersible - fish,

Aquarium fish tank submersible - fish,

£20.99
Buy It Now

» View on eBay #sponsored
Aquarium grass seeds - grass,

Aquarium grass seeds - grass,

£4.50
Buy It Now

» View on eBay #sponsored
Aquarium plant root tabs - root,

Aquarium plant root tabs - root,

£3.95
Buy It Now

» View on eBay #sponsored
Small fish tank aquarium - small,

Small fish tank aquarium - small,

£29.79
Buy It Now

» View on eBay #sponsored
Easy live aquarium - easy,

Easy live aquarium - easy,

£8.88
Buy It Now

» View on eBay #sponsored
Hidom aquarium air pump - air, fish

Hidom aquarium air pump - air, fish

£25.95
Buy It Now

» View on eBay #sponsored
Hepo aquarium heater - hepo,

Hepo aquarium heater - hepo,

£11.49
Buy It Now

» View on eBay #sponsored
Aquarium starter kit small - starter,

Aquarium starter kit small - starter,

£13.46
Buy It Now

» View on eBay #sponsored
Small fish tank gallon - fish,

Small fish tank gallon - fish,

£22.69
Buy It Now

» View on eBay #sponsored
Glass goldfish bowl - goldfish, fish

Glass goldfish bowl - goldfish, fish

£15.99
Buy It Now

» View on eBay #sponsored
Aquarium fish tank background - tank,

Aquarium fish tank background - tank,

£8.65
Buy It Now

» View on eBay #sponsored
Small nano aquarium fish tank - aquarium,

Small nano aquarium fish tank - aquarium,

£54.99
Buy It Now

» View on eBay #sponsored
Aquarium fish tank pump clean - fish,

Aquarium fish tank pump clean - fish,

£2.87
Buy It Now

» View on eBay #sponsored
Undergravel filter kit - undergravel,

Undergravel filter kit - undergravel,

£13.99
Buy It Now

» View on eBay #sponsored
Pawhut fish tank stand - stand,, 20-29

Pawhut fish tank stand - stand,, 20-29

£79.99
Buy It Now

» View on eBay #sponsored
Nano aquarium fish tank - 4.5l,

Nano aquarium fish tank - 4.5l,

£24.69
Buy It Now

» View on eBay #sponsored
Activated carbon charcoal - activated,

Activated carbon charcoal - activated,

£26.99
Buy It Now

» View on eBay #sponsored
Aqua one focus glass - focus, 36

Aqua one focus glass - focus, 36

£95.99
Buy It Now

» View on eBay #sponsored
Aquarium cleaner kit - aquarium,

Aquarium cleaner kit - aquarium,

£8.58
Buy It Now

» View on eBay #sponsored
Diversa aquarium with - with, /

Diversa aquarium with - with, /

£479.99
Buy It Now

» View on eBay #sponsored
Aquarium sand substrate for - aquarium,

Aquarium sand substrate for - aquarium,

£40.00
Buy It Now

» View on eBay #sponsored
Electric gravel vacuum cleaner - gravel,

Electric gravel vacuum cleaner - gravel,

£10.37
Buy It Now

» View on eBay #sponsored
Electric gravel vacuum - gravel,

Electric gravel vacuum - gravel,

£34.99
Buy It Now

» View on eBay #sponsored
Pcs aquarium fish tank - aquarium,

Pcs aquarium fish tank - aquarium,

£1.16
Buy It Now

» View on eBay #sponsored
Full spectrum aquarium light - spectrum,

Full spectrum aquarium light - spectrum,

£31.90
Buy It Now

» View on eBay #sponsored
Ciano aqua aquarium with - ciano, 30

Ciano aqua aquarium with - ciano, 30

£63.97
Buy It Now

» View on eBay #sponsored
Silent usb aquarium - silent,

Silent usb aquarium - silent,

£6.19
Buy It Now

» View on eBay #sponsored
20l aquarium fish tank - aquarium,

20l aquarium fish tank - aquarium,

£29.69
Buy It Now

» View on eBay #sponsored
Seaview quality aquarium fish - seaview,

Seaview quality aquarium fish - seaview,

£13.49
Buy It Now

» View on eBay #sponsored
Aquarium kit 60cm tropical led - aquarium,

Aquarium kit 60cm tropical led - aquarium,

£99.99
Buy It Now

» View on eBay #sponsored
Co2 carbon dioxide fire - dioxide,

Co2 carbon dioxide fire - dioxide,

£275.00
Buy It Now

» View on eBay #sponsored
Fluval provac powered aquarium - fluval,

Fluval provac powered aquarium - fluval,

£49.50
Buy It Now

» View on eBay #sponsored
Display aquaone oakstyle - ex,

Display aquaone oakstyle - ex,

£329.99
Buy It Now

» View on eBay #sponsored
Fish tank set small - tank,

Fish tank set small - tank,

£20.99
Buy It Now

» View on eBay #sponsored
Aquarium wood root - wood,

Aquarium wood root - wood,

£13.99
Buy It Now

» View on eBay #sponsored
Aquarium led lights air - led,

Aquarium led lights air - led,

£15.99
Buy It Now

» View on eBay #sponsored
Aquarium fish tank - fish,

Aquarium fish tank - fish,

£9.95
Buy It Now

» View on eBay #sponsored
Swell led complete - swell,

Swell led complete - swell,

£70.99
Buy It Now

» View on eBay #sponsored
Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£9.99
Buy It Now

» View on eBay #sponsored
Submersible aquarium light - submersible,

Submersible aquarium light - submersible,

£34.99
Buy It Now

» View on eBay #sponsored
Aquarium cleaner kit vacuum - aquarium,

Aquarium cleaner kit vacuum - aquarium,

£10.79
Buy It Now

» View on eBay #sponsored
Brand new large fish tank - large,

Brand new large fish tank - large,

£187.90
Buy It Now

» View on eBay #sponsored
Brand new glass fish - *, tank

Brand new glass fish - *, tank

£151.50
Buy It Now

» View on eBay #sponsored
50mm round air stone for - 50mm,

50mm round air stone for - 50mm,

£34.99
Buy It Now

» View on eBay #sponsored
Electric aquarium gravel - electric,

Electric aquarium gravel - electric,

£10.32
Buy It Now

» View on eBay #sponsored
Aquarium oxygen pump - oxygen, air

Aquarium oxygen pump - oxygen, air

£2.97
Buy It Now

» View on eBay #sponsored
Aquarium gravel fish tank sand - fish,

Aquarium gravel fish tank sand - fish,

£42.99
Buy It Now

» View on eBay #sponsored
Ciano aqua aquarium led 30 - aqua,

Ciano aqua aquarium led 30 - aqua,

£50.99
Buy It Now

» View on eBay #sponsored
Aquarium fish tank pump clean - aquarium,

Aquarium fish tank pump clean - aquarium,

£3.19
Buy It Now

» View on eBay #sponsored
Pawhut fish tank - pawhut,

Pawhut fish tank - pawhut,

£61.19
Buy It Now

» View on eBay #sponsored
Transparent round fish bowl - transparent,

Transparent round fish bowl - transparent,

£10.99
Buy It Now

» View on eBay #sponsored

Looking for more aquarium fish tanks?

Search eBay live — fresh results filtered for the best value, updated every hour.

🔍 Search live deals
📊96 listings · from £1.16 · avg £69.85
⚠️ These listings were last updated more than 22 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 | biorb | corner aquarium fish tank

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.

🔍 aquarium fish tanks Search live on eBay