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Big fish tanks

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Big fish tanks for sale on largest auction and classifieds sites

Home / Decorations / Big fish tanks refurbished & used for sale | For Sale UK
73cm piece shipwreck - ,

73cm piece shipwreck - ,

£59.99
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Big fish tank aquarium with - a,

Big fish tank aquarium with - a,

£312.70
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150x60x60 glass fish - glass, with

150x60x60 glass fish - glass, with

£177.50
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Litre fish tank comes with - fish,

Litre fish tank comes with - fish,

£125.50
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Koi fish grow holding - koi, on

Koi fish grow holding - koi, on

£209.00
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Supa big 10ft aquarium - supa, 10"

Supa big 10ft aquarium - supa, 10"

£9.60
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Aquarium fish tank internal - fish,

Aquarium fish tank internal - fish,

£29.99
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Fish tank allpondsolutions - tank,

Fish tank allpondsolutions - tank,

£29.99
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Hozelock raised pond set 500l - set,

Hozelock raised pond set 500l - set,

£339.95
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Fish tank allpondsolutions - fish,

Fish tank allpondsolutions - fish,

£29.99
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Hygger aquarium big pinwheel - hygger,

Hygger aquarium big pinwheel - hygger,

£36.40
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Aquarium fish tank - in,

Aquarium fish tank - in,

£9.99
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Stainless steel aquarium - stainless,

Stainless steel aquarium - stainless,

£10.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£19.99
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£19.99
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£59.99
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Teco aquarium fish tank - aquarium,

Teco aquarium fish tank - aquarium,

£696.52
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Aquarium fish tank - 4,

Aquarium fish tank - 4,

£6.99
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Aqua medic power flotor - power,

Aqua medic power flotor - power,

£68.30
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£10.99
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Supa big plant weight - plant, for

Supa big plant weight - plant, for

£9.99
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Supa big 10ft - aquarium, fish

Supa big 10ft - aquarium, fish

£7.09
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Sunsun ybf 500 aquarium fish - sunsun-ybf,

Sunsun ybf 500 aquarium fish - sunsun-ybf,

£59.99
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External heater thermostat - external,

External heater thermostat - external,

£34.99
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Aquarium decor thematic - aquarium,

Aquarium decor thematic - aquarium,

£17.80
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Fluval 107 207 307 - 407, fx

Fluval 107 207 307 - 407, fx

£216.99
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Fish tank filter 1 - fish,

Fish tank filter 1 - fish,

£13.67
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500 800 l - l/h,

500 800 l - l/h,

£29.99
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Internal aquarium fish - 5-in-1,

Internal aquarium fish - 5-in-1,

£19.99
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500w aquarium heater - 500w,

500w aquarium heater - 500w,

£17.95
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Aquarium heater ptc fish tank - aquarium,

Aquarium heater ptc fish tank - aquarium,

£58.99
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Superfish aquaflow internal - superfish,

Superfish aquaflow internal - superfish,

£27.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£9.87
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£11.00
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Fish tank background surfing - fish,

Fish tank background surfing - fish,

£14.99
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In1 aquarium fish tank - fish,

In1 aquarium fish tank - fish,

£11.00
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500 800 l - l/h, l/h

500 800 l - l/h, l/h

£29.99
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Allpondsolutions external - allpondsolutions,

Allpondsolutions external - allpondsolutions,

£14.99
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Fluval external filter 107 - filter,

Fluval external filter 107 - filter,

£124.99
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Aquarium fish tank - in, 1

Aquarium fish tank - in, 1

£19.99
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Baitai internal fish tank - fish,

Baitai internal fish tank - fish,

£15.00
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Tetra easy balance fish - tetra,

Tetra easy balance fish - tetra,

£9.09
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4in1 plug aquarium fish - 4in1,

4in1 plug aquarium fish - 4in1,

£11.00
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£10.00
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Envii aquarium equaliser - envii,

Envii aquarium equaliser - envii,

£9.95
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Aquarium plants airline - aquarium,

Aquarium plants airline - aquarium,

£6.51
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In1 aquarium fish - 4,

In1 aquarium fish - 4,

£9.99
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Aquapapa fish tank filter - tank,

Aquapapa fish tank filter - tank,

£11.99
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Interpet anti white spot - anti, rapid

Interpet anti white spot - anti, rapid

£6.48
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In1 aquarium fish - aquarium, tank

In1 aquarium fish - aquarium, tank

£11.00
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Jecod pump variable flow - pump,

Jecod pump variable flow - pump,

£71.99
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Eheim pickup internal - eheim,

Eheim pickup internal - eheim,

£33.49
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Juwel bioflow internal filter - juwel,

Juwel bioflow internal filter - juwel,

£149.95
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Aquarium heater submersible - heater,

Aquarium heater submersible - heater,

£4.95
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In1 aquarium fish - fish, tank

In1 aquarium fish - fish, tank

£10.99
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Fluval aqaurium filter full - -,

Fluval aqaurium filter full - -,

£247.99
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4in1 aquarium fish tank water - aquarium,

4in1 aquarium fish tank water - aquarium,

£11.00
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Fluval cycle 500ml - 500ml, biological

Fluval cycle 500ml - 500ml, biological

£16.99
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Eheim pickup 160 - eheim, internal

Eheim pickup 160 - eheim, internal

£29.97
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Aquarium fish tank - 4, 1

Aquarium fish tank - 4, 1

£11.00
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Big fish tank cave hideout - big,

Big fish tank cave hideout - big,

£6.52
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Efficient fish tank pump - efficient, 8w

Efficient fish tank pump - efficient, 8w

£50.99
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£11.00
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Aquarium fish transport - fish,

Aquarium fish transport - fish,

£25.95
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Aquarium fish tank - in,

Aquarium fish tank - in,

£11.00
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Wave maker submersible - wave,

Wave maker submersible - wave,

£12.78
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Aquarium fish tank - 4, in

Aquarium fish tank - 4, in

£11.00
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Forever speed 1 filter - speed,

Forever speed 1 filter - speed,

£9.50
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Heritage pet products big - heritage,

Heritage pet products big - heritage,

£6.49
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Tap aquarium doctor - aquarium,

Tap aquarium doctor - aquarium,

£5.99
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Fluval external filter 107 207 - filter,

Fluval external filter 107 207 - filter,

£305.99
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Large aquarium plastic plants - aquarium,

Large aquarium plastic plants - aquarium,

£23.13
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In1 aquarium fish tank - aquarium,

In1 aquarium fish tank - aquarium,

£11.00
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Fluval biomax maximum - fluval, aquarium

Fluval biomax maximum - fluval, aquarium

£12.99
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In1 aquarium fish tank - 4,

In1 aquarium fish tank - 4,

£11.00
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Hygger hg051 1fan big - 1fan,

Hygger hg051 1fan big - 1fan,

£19.99
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Seachem neutral regulator 7 - seachem,

Seachem neutral regulator 7 - seachem,

£21.99
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Fish tank aquarium - aquarium, ship

Fish tank aquarium - aquarium, ship

£29.82
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Voonline t50 50w - voonline,

Voonline t50 50w - voonline,

£11.87
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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£14.89
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Fluval biomax rings 500g - fluval,

Fluval biomax rings 500g - fluval,

£12.90
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Fish tank background black - fish,

Fish tank background black - fish,

£14.99
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4in1 1500l aquarium fish - 4in1, 1500l/h

4in1 1500l aquarium fish - 4in1, 1500l/h

£10.98
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Fish tank background sepia big - fish,

Fish tank background sepia big - fish,

£14.99
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In1 aquarium fish tank - aquarium,

In1 aquarium fish tank - aquarium,

£11.00
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In1 aquarium fish tank - aquarium,

In1 aquarium fish tank - aquarium,

£7.59
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Fish tank aquarium - 1,

Fish tank aquarium - 1,

£10.99
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Aquael asap filters internal - aquael,

Aquael asap filters internal - aquael,

£21.45
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Marine protein skimmer - skimmer, bubble

Marine protein skimmer - skimmer, bubble

£109.99
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Fish tank filter water - in, 1

Fish tank filter water - in, 1

£12.99
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Supa big aquarium fish - supa,

Supa big aquarium fish - supa,

£9.99
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Fish tank background - fish,

Fish tank background - fish,

£14.99
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Aquarium external canister - aquarium,

Aquarium external canister - aquarium,

£33.01
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4in1 aquarium fish tank water - 4in1,

4in1 aquarium fish tank water - 4in1,

£10.99
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Aqqa aquarium heater 500w - aqqa,

Aqqa aquarium heater 500w - aqqa,

£71.41
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Fish aquarium ultimate tank - ultimate,

Fish aquarium ultimate tank - ultimate,

£13.33
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📊96 listings · from £4.95 · avg £48.97
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 96 big fish tanks listings currently in our index. Prices range from £4.95 to £696.52, with an average of £48.97. 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 big fish tanks →

Try this: coral tank | driftwood ornaments | dry reef rock | fish rocks | fish tank caves | hexagon aquarium | jellyfish tank | large aquarium decorations | large aquarium rocks | mini fish tank

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Everything you need to know about big fish tanks

Whether you are looking for a brand-new or second-hand big 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 £4.95, while premium listings can reach £696.52 — giving you a wide budget spread to work with. The average price of £48.97 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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