For Sale UK

Fish tanks

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Fish tanks for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Fish tanks for sale – 96 used, around £36 | For Sale UK
Vivohome glass aquarium - glass,

Vivohome glass aquarium - glass,

£79.99
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Fish tank aquarium - fish,

Fish tank aquarium - fish,

£29.99
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2kg co2 fire extinguisher - fire,

2kg co2 fire extinguisher - fire,

£15.95
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Live aquarium aquatic - live,

Live aquarium aquatic - live,

£22.54
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Glass fish tank aquarium - glass,

Glass fish tank aquarium - glass,

£73.50
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Diversa aquarium fish tank - fish,

Diversa aquarium fish tank - fish,

£279.99
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Swell aquarium 60cm tropical - 60cm,

Swell aquarium 60cm tropical - 60cm,

£95.29
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Fluval flex led aquarium - 2.0,

Fluval flex led aquarium - 2.0,

£99.99
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Ciano aquarium led 52l - ciano,

Ciano aquarium led 52l - ciano,

£90.65
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Diversa aquarium fish - fish, tank

Diversa aquarium fish - fish, tank

£355.99
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Brand new large fish - new,

Brand new large fish - new,

£187.90
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Brand new glass - brand, fish

Brand new glass - brand, fish

£193.10
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Aquael glass aquarium fish - aquael,

Aquael glass aquarium fish - aquael,

£54.99
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Fluval external filter with - external,

Fluval external filter with - external,

£156.95
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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£89.99
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Aquarium stand fish - fish,

Aquarium stand fish - fish,

£116.70
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Co2 carbon dioxide fire - co2,

Co2 carbon dioxide fire - co2,

£150.00
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Brand new glass fish - **,

Brand new glass fish - **,

£189.00
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Starter fish tank could - ,

Starter fish tank could - ,

£15.08
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Brand new fish tank - new**,

Brand new fish tank - new**,

£174.00
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Led glass aquarium fish - fish, tank

Led glass aquarium fish - fish, tank

£29.95
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The yee ultra - the, white

The yee ultra - the, white

£147.33
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Brand new glass fish - **, **

Brand new glass fish - **, **

£189.00
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Aquarium fish tank kit - tank,

Aquarium fish tank kit - tank,

£49.99
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Small nano aquarium - aquarium, fish

Small nano aquarium - aquarium, fish

£54.99
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Plastic aquarium fish tank - plastic,

Plastic aquarium fish tank - plastic,

£8.99
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Brand new fish - **brand,

Brand new fish - **brand,

£174.00
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Pawhut 51l glass aquarium fish - pawhut,

Pawhut 51l glass aquarium fish - pawhut,

£35.99
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Interpet gold fish - gold,

Interpet gold fish - gold,

£9.99
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Fluval a440 107 fish tank - fluval,

Fluval a440 107 fish tank - fluval,

£78.70
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Fluval aquarium surface - fluval,

Fluval aquarium surface - fluval,

£18.75
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Trixes aquarium air bubble - aquarium,

Trixes aquarium air bubble - aquarium,

£5.99
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Off 18l 30l 56l - 10%off,

Off 18l 30l 56l - 10%off,

£34.99
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Display aqua one oakstyle - aqua,

Display aqua one oakstyle - aqua,

£689.99
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Column aquarium tower fish - aquarium,

Column aquarium tower fish - aquarium,

£598.30
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Compact betta fish - fish, kit

Compact betta fish - fish, kit

£22.99
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Levede fish tank stand - tank,

Levede fish tank stand - tank,

£38.99
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Betta fish tank - betta,

Betta fish tank - betta,

£31.99
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150 tablets aquarium algae - 150,

150 tablets aquarium algae - 150,

£19.55
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Tetra aquasafe water - tetra,

Tetra aquasafe water - tetra,

£16.97
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43l fish tank - fish, aquarium

43l fish tank - fish, aquarium

£34.99
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Internal aquarium fish - internal,

Internal aquarium fish - internal,

£6.59
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Ciano aqua classic aquarium - 20,

Ciano aqua classic aquarium - 20,

£39.45
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Aquarium fish tank 2gal - fish,

Aquarium fish tank 2gal - fish,

£23.49
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Fluval provac powered aquarium - provac,

Fluval provac powered aquarium - provac,

£52.99
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Aquarium fish tank tropical - tank,

Aquarium fish tank tropical - tank,

£24.99
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Small fish tank aquarium - tank,

Small fish tank aquarium - tank,

£17.95
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Juwel vio cube aquarium - 54 l,

Juwel vio cube aquarium - 54 l,

£239.99
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Fluval 20l betta aquarium fish - fluval,

Fluval 20l betta aquarium fish - fluval,

£9.45
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Small fish tank plastic - fish,

Small fish tank plastic - fish,

£21.99
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Aqua one focus glass - 36,

Aqua one focus glass - 36,

£95.99
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Brand new glass fish - brand,

Brand new glass fish - brand,

£193.10
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Aquarium stand fish - aquarium,

Aquarium stand fish - aquarium,

£46.79
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Aqua one minireef white - minireef,

Aqua one minireef white - minireef,

£349.99
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Easy live aquarium plants - easy,

Easy live aquarium plants - easy,

£8.88
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Hepo aquarium heater fish tank - aquarium,

Hepo aquarium heater fish tank - aquarium,

£13.49
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Aquarium air pump - aquarium, cool

Aquarium air pump - aquarium, cool

£7.99
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Pawhut fish tank stand - fish, 20-29

Pawhut fish tank stand - fish, 20-29

£80.99
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Fluval flex led aquarium - 2.0,

Fluval flex led aquarium - 2.0,

£136.99
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Ciano aqua stand black - ciano,

Ciano aqua stand black - ciano,

£52.21
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Fish tank cleaning - tank, kit

Fish tank cleaning - tank, kit

£1.69
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Seachem purigen filter media - purigen,

Seachem purigen filter media - purigen,

£8.99
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Fish tank sucker suction cup - fish,

Fish tank sucker suction cup - fish,

£3.99
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Fish tank stand with - tank,

Fish tank stand with - tank,

£70.00
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Extra large castle fish - xl,

Extra large castle fish - xl,

£79.99
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Aquarium durable fish egg - aquarium,

Aquarium durable fish egg - aquarium,

£8.54
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Airstones compatible with - 5,

Airstones compatible with - 5,

£4.99
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Digital lcd thermometer - digital,

Digital lcd thermometer - digital,

£2.23
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Ciano aqua aquarium led - aquarium,

Ciano aqua aquarium led - aquarium,

£53.99
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Ciano aqua classic aquarium - ciano, 20

Ciano aqua classic aquarium - ciano, 20

£37.53
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150 tablets aquarium algae - 150,

150 tablets aquarium algae - 150,

£3.33
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Aqua one dynamic 58l aquarium - dynamic,

Aqua one dynamic 58l aquarium - dynamic,

£249.99
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Submersible aquarium fish tank - aquarium,

Submersible aquarium fish tank - aquarium,

£9.20
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Biorb service kit plus water - service,

Biorb service kit plus water - service,

£24.99
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£17.95
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4ft glass aquarium - 4ft,

4ft glass aquarium - 4ft,

£315.00
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6ft glass aquarium 6x2x2ft - 6ft,

6ft glass aquarium 6x2x2ft - 6ft,

£400.00
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Fluval aquasky led - aquasky, 2.0

Fluval aquasky led - aquasky, 2.0

£69.13
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Mahancris fish tank stand - mahancris,

Mahancris fish tank stand - mahancris,

£65.16
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Aquarium internal submersible - aquarium,

Aquarium internal submersible - aquarium,

£9.17
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Aquarium oxygen pump air - oxygen,

Aquarium oxygen pump air - oxygen,

£12.99
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Fluval aquaplus water - aquaplus,

Fluval aquaplus water - aquaplus,

£22.99
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Aquarium fish tank ornament - aquarium,

Aquarium fish tank ornament - aquarium,

£4.05
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Aquarium plant root - tabs, fish

Aquarium plant root - tabs, fish

£7.95
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Fish tank set - tank, household

Fish tank set - tank, household

£20.99
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£5.01
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Pawhut fish tank - pawhut, with

Pawhut fish tank - pawhut, with

£70.00
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Biorb 15l aquarium - biorb,

Biorb 15l aquarium - biorb,

£79.99
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Aquarium fish tank - fish, pump

Aquarium fish tank - fish, pump

£2.49
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Superfish deco poster - poster, aquarium

Superfish deco poster - poster, aquarium

£8.95
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Aquarium fish tank pump - tank, clean

Aquarium fish tank pump - tank, clean

£7.58
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£34.99
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Aquarium internal corner fish - corner,

Aquarium internal corner fish - corner,

£10.99
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Undergravel filter kit - undergravel,

Undergravel filter kit - undergravel,

£6.99
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Aquarium fish tank external

Aquarium fish tank external

£64.99
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10x aquarium fish - 10x,

10x aquarium fish - 10x,

£3.33
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📊96 listings · from £1.69 · avg £83.2

Browse 96 fish tanks listings currently in our index. Prices range from £1.69 to £689.99, with an average of £83.2. 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 | juwel rio 240 | kockney koi pump

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 £1.69, while premium listings can reach £689.99 — giving you a wide budget spread to work with. The average price of £83.2 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