For Sale UK

Fish tanks

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Fish tanks for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Fish tanks refurbished & used for sale | For Sale UK
Swell aquarium 60cm tropical - swell,

Swell aquarium 60cm tropical - swell,

£95.29
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Betta fish tank - betta,

Betta fish tank - betta,

£21.39
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2kg co2 fire extinguisher - fire,

2kg co2 fire extinguisher - fire,

£15.95
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Brand new fish - **brand,

Brand new fish - **brand,

£172.29
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Diversa aquarium fish tank - diversa,

Diversa aquarium fish tank - diversa,

£135.99
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Fish tank aquarium - aquarium, tropical

Fish tank aquarium - aquarium, tropical

£29.99
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Compact betta fish - betta, tank

Compact betta fish - betta, tank

£22.99
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Diversa aquarium fish tank - diversa,

Diversa aquarium fish tank - diversa,

£355.99
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Brand new large fish - fish, tank

Brand new large fish - fish, tank

£177.45
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43l fish tank glass - 43l,

43l fish tank glass - 43l,

£34.99
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Swell small aquarium 25cm - swell,

Swell small aquarium 25cm - swell,

£54.99
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Fluval flex led aquarium - flex, 2.0

Fluval flex led aquarium - flex, 2.0

£49.99
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Fish tank starter kit with - starter,

Fish tank starter kit with - starter,

£33.99
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Co2 carbon dioxide - carbon,

Co2 carbon dioxide - carbon,

£33.50
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Hidom submersible tropical - submersible,

Hidom submersible tropical - submersible,

£12.95
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150 tablets aquarium - tablets, algae

150 tablets aquarium - tablets, algae

£19.55
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Ciano aqua classic aquarium - 20,

Ciano aqua classic aquarium - 20,

£39.45
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Aqua one betta - trio, glass

Aqua one betta - trio, glass

£131.99
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Small fish tank aquarium - small,

Small fish tank aquarium - small,

£29.59
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Fish tank ultra clear low - ultra,

Fish tank ultra clear low - ultra,

£39.99
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Aquarium fish tank kit led - fish,

Aquarium fish tank kit led - fish,

£49.99
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Superfish orbiq aquariums - superfish,

Superfish orbiq aquariums - superfish,

£59.99
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Pawhut fish tank stand 29 - stand,, 20-29

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

£79.99
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Aquael hexa 60l tropical fish - 60l,

Aquael hexa 60l tropical fish - 60l,

£149.99
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20l aquarium fish tank - fish,

20l aquarium fish tank - fish,

£29.59
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Juwel vio cube aquarium - juwel,

Juwel vio cube aquarium - juwel,

£239.99
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Hidom internal fish - hidom,

Hidom internal fish - hidom,

£15.45
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Aquael glass aquarium - aquarium, fish

Aquael glass aquarium - aquarium, fish

£54.99
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Undergravel filter kit - undergravel,

Undergravel filter kit - undergravel,

£6.99
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£89.99
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Aquarium heater submersible - heater,

Aquarium heater submersible - heater,

£13.99
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£59.99
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Betta fish tank aqua one - tank,

Betta fish tank aqua one - tank,

£31.99
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Fish tank stand 29 gallon - fish, stand,

Fish tank stand 29 gallon - fish, stand,

£79.99
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Column aquarium tower fish - column,

Column aquarium tower fish - column,

£598.30
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Marine acquarium fish - fish, kit

Marine acquarium fish - fish, kit

£26.70
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Small fish tank - aquarium,

Small fish tank - aquarium,

£29.79
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Heavy duty tier aquarium - heavy-duty, 3-tier

Heavy duty tier aquarium - heavy-duty, 3-tier

£27.11
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Aquarium fish tank - tank, external

Aquarium fish tank - tank, external

£74.99
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Superfish aquaflow aquarium - aquaflow,

Superfish aquaflow aquarium - aquaflow,

£16.99
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20l aquarium fish tank - tank, with

20l aquarium fish tank - tank, with

£29.99
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Internal aquarium fish tank - internal,

Internal aquarium fish tank - internal,

£10.98
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Aqua one cube square - one, 40

Aqua one cube square - one, 40

£76.99
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Compact betta fish tank - compact, kit

Compact betta fish tank - compact, kit

£22.69
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Superfish start aquarium - aquarium, &

Superfish start aquarium - aquarium, &

£189.95
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Aquarian tap water safe - aquarian,

Aquarian tap water safe - aquarian,

£2.73
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Led glass aquarium fish - glass, tank

Led glass aquarium fish - glass, tank

£29.95
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Aquarium stand fish tank - stand,

Aquarium stand fish tank - stand,

£128.65
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Pawhut fish tank stand - fish,

Pawhut fish tank stand - fish,

£79.99
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Rose bubble tip - rose, anemones

Rose bubble tip - rose, anemones

£31.90
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Plastic aquarium fish - plastic,

Plastic aquarium fish - plastic,

£8.99
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Small starter aquarium fish - aquarium,

Small starter aquarium fish - aquarium,

£54.99
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Fluval betta premium fighter - betta,

Fluval betta premium fighter - betta,

£99.99
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Small tank lid - small, insects

Small tank lid - small, insects

£8.95
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Diversa aquarium with stand - aquarium,

Diversa aquarium with stand - aquarium,

£359.99
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Aquarium fish tank from - fish,

Aquarium fish tank from - fish,

£305.99
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200w aquarium water heater - water,

200w aquarium water heater - water,

£11.98
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6ft glass aquarium - glass,

6ft glass aquarium - glass,

£370.00
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£1.89
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Aquarium heater submersible - aquarium,

Aquarium heater submersible - aquarium,

£16.45
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8ft glass aquarium 8x2x2ft - 8ft,

8ft glass aquarium 8x2x2ft - 8ft,

£590.00
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Aquarium fish tank - fish, cabinet

Aquarium fish tank - fish, cabinet

£619.99
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Natural aquarium gravel - natural,

Natural aquarium gravel - natural,

£2.99
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Ciano aqua fish - aqua,

Ciano aqua fish - aqua,

£35.50
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Extra large fish - xl, tank

Extra large fish - xl, tank

£79.95
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Pawhut fish tank stand - fish,

Pawhut fish tank stand - fish,

£72.99
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Small fish tank - fish, plastic

Small fish tank - fish, plastic

£18.99
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Plastic transparent round - transparent, fish

Plastic transparent round - transparent, fish

£13.75
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Fluval provac powered aquarium - provac,

Fluval provac powered aquarium - provac,

£49.50
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Aquarium fish tank - in,

Aquarium fish tank - in,

£11.00
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5pcs aquarium floating - aquarium,

5pcs aquarium floating - aquarium,

£3.99
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Fish tank cleaning - tank,

Fish tank cleaning - tank,

£2.05
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Hepo aquarium heater fish - hepo, tank

Hepo aquarium heater fish - hepo, tank

£13.49
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Fluval provac plug aquarium - fluval,

Fluval provac plug aquarium - fluval,

£49.99
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Aqua one betta quad glass - one,

Aqua one betta quad glass - one,

£262.99
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Submersible aquarium light - submersible,

Submersible aquarium light - submersible,

£34.99
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Aqua one focus glass - one, 36

Aqua one focus glass - one, 36

£95.99
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Fish tank set small household - small,

Fish tank set small household - small,

£20.99
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Aquarium fish tank pump clean - tank,

Aquarium fish tank pump clean - tank,

£2.70
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Silent usb aquarium oxygen - aquarium,

Silent usb aquarium oxygen - aquarium,

£6.99
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Fish tank lid - tank, cover

Fish tank lid - tank, cover

£12.88
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Aquarium fish tank - fish, internal

Aquarium fish tank - fish, internal

£14.99
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Hidom submersible tropical - hidom,

Hidom submersible tropical - hidom,

£10.95
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20l aquarium fish - 20l, tank

20l aquarium fish - 20l, tank

£33.99
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600l aquarium internal fish - aquarium,

600l aquarium internal fish - aquarium,

£12.99
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Superfish white led panorama - superfish,

Superfish white led panorama - superfish,

£52.99
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Ciano cube aquarium with - ciano, 15

Ciano cube aquarium with - ciano, 15

£55.45
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New full spectrum - full, 60-140cm

New full spectrum - full, 60-140cm

£34.45
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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£34.99
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Aquarium fish tank with - fish,

Aquarium fish tank with - fish,

£26.49
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Superfish decorative poster - superfish,

Superfish decorative poster - superfish,

£7.95
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Easy live aquarium plants - easy,

Easy live aquarium plants - easy,

£8.88
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Finest filters compatible - finest,

Finest filters compatible - finest,

£21.99
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Aquarium led lights - aquarium, bubble

Aquarium led lights - aquarium, bubble

£19.99
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Aquarium fish tank - , external

Aquarium fish tank - , external

£64.99
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Electric gravel vacuum - electric, cleaner

Electric gravel vacuum - electric, cleaner

£34.99
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Looking for more fish tanks?

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📊96 listings · from £1.89 · avg £78.4

Browse 96 fish tanks listings currently in our index. Prices range from £1.89 to £619.99, with an average of £78.4. 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 fish tanks →

Try this: hexagonal fish tank | marine aquarium tank | 3ft aquarium | 5 ft aquarium | biorb | corner aquarium fish tank | egg crate | juwel aquarium fish tank | large aquarium | tropical fish tanks

Shop by budget

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

Everything you need to know about fish tanks

Whether you are looking for a brand-new or second-hand 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 £1.89, while premium listings can reach £619.99 — giving you a wide budget spread to work with. The average price of £78.4 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.

🔍 fish tanks Search live on eBay