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Big fish tanks

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Big fish tanks for sale on largest auction and classifieds sites

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73cm piece shipwreck - 73cm,

73cm piece shipwreck - 73cm,

£59.99
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Big fish tank - fish,

Big fish tank - fish,

£312.70
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150x60x60 glass fish - 150x60x60, tank

150x60x60 glass fish - 150x60x60, tank

£177.50
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Aquarium heater 500w - aquarium,

Aquarium heater 500w - aquarium,

£20.45
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Koi fish grow holding - fish,

Koi fish grow holding - fish,

£209.00
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Aquarium fish tank internal - fish,

Aquarium fish tank internal - fish,

£29.99
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Hygger aquarium big - aquarium, pinwheel

Hygger aquarium big - aquarium, pinwheel

£36.40
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Hidom aquarium air pump - hidom,

Hidom aquarium air pump - hidom,

£8.45
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Supa big aquarium fish - supa,

Supa big aquarium fish - supa,

£8.99
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Hidom proheat quartz aquarium - hidom,

Hidom proheat quartz aquarium - hidom,

£18.45
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Supa big plant weight - weight, for

Supa big plant weight - weight, for

£9.99
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Hozelock raised pond - hozelock, set

Hozelock raised pond - hozelock, set

£339.95
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Seachem purigen filter - purigen,

Seachem purigen filter - purigen,

£14.99
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Big aquarium fish tank - aquarium,

Big aquarium fish tank - aquarium,

£363.70
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Aquarium heater 500w - aquarium,

Aquarium heater 500w - aquarium,

£20.43
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Fluval external filter 107 207 - external,

Fluval external filter 107 207 - external,

£109.99
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Aquarium water change pump - ,

Aquarium water change pump - ,

£25.95
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Stainless steel aquarium - steel,

Stainless steel aquarium - steel,

£11.89
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£9.87
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Big eye stick fish tank - eye,

Big eye stick fish tank - eye,

£47.50
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Supa big 10 10ft - supa,

Supa big 10 10ft - supa,

£8.66
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£6.99
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£10.99
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External heater thermostat for - external,

External heater thermostat for - external,

£34.99
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Aquarium fish tank - in,

Aquarium fish tank - in,

£9.99
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Supa big 10ft - supa, aquarium

Supa big 10ft - supa, aquarium

£9.60
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Modern style aquarium and - modern,

Modern style aquarium and - modern,

£1350.00
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Aquarium fish tank - 4, in

Aquarium fish tank - 4, in

£11.00
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Aqqa aquarium heater - aqqa, heater,500w

Aqqa aquarium heater - aqqa, heater,500w

£71.41
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Aqua one 500 canister - aqua,

Aqua one 500 canister - aqua,

£54.90
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Fish tank filter - fish, 4-in-1

Fish tank filter - fish, 4-in-1

£10.79
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Aquarium heater 500w - aquarium,

Aquarium heater 500w - aquarium,

£27.99
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Sunsun ybf 500 - 500, aquarium

Sunsun ybf 500 - 500, aquarium

£59.99
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Interpet anti white - interpet,

Interpet anti white - interpet,

£6.48
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Large aquarium plastic plants - large,

Large aquarium plastic plants - large,

£22.42
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In1 aquarium fish - aquarium, tank

In1 aquarium fish - aquarium, tank

£10.99
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Hidom proheat quartz - hidom,

Hidom proheat quartz - hidom,

£18.45
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Seachem sicce tidal hang - seachem, hang-on

Seachem sicce tidal hang - seachem, hang-on

£60.99
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Koi fish grow - koi,

Koi fish grow - koi,

£189.95
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Fluval 107 207 307 - , fx

Fluval 107 207 307 - , fx

£216.99
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Superfish aquaflow internal - superfish,

Superfish aquaflow internal - superfish,

£29.99
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Interpet new treatments - interpet, water

Interpet new treatments - interpet, water

£8.49
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Juwel bioflow internal filter - bioflow,

Juwel bioflow internal filter - bioflow,

£149.95
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In1 aquarium fish tank - aquarium,

In1 aquarium fish tank - aquarium,

£9.99
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Fish tank filter - 1,

Fish tank filter - 1,

£10.99
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In1 aquarium fish tank - fish,

In1 aquarium fish tank - fish,

£7.59
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Supa big 10ft aquarium fish - big,

Supa big 10ft aquarium fish - big,

£7.09
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Esha aquarium fish tank - fish,

Esha aquarium fish tank - fish,

£9.99
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Aquarium heater 500w - aquarium,

Aquarium heater 500w - aquarium,

£22.49
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Fluval biomax maximum - fluval,

Fluval biomax maximum - fluval,

£12.99
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In1 aquarium fish - 4,

In1 aquarium fish - 4,

£11.00
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In1 aquarium fish tank - 4,

In1 aquarium fish tank - 4,

£11.00
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Aquarium fish transport - fish,

Aquarium fish transport - fish,

£25.95
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£10.00
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500 800 l h aquarium - 500, &

500 800 l h aquarium - 500, &

£5.99
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In1 aquarium fish tank - 4,

In1 aquarium fish tank - 4,

£11.00
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Large aquarium plastic plants - large,

Large aquarium plastic plants - large,

£23.56
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Aquarium heater submersible - aquarium,

Aquarium heater submersible - aquarium,

£4.95
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500 800 l - l/h, aquarium

500 800 l - l/h, aquarium

£29.99
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Envii aquarium equaliser - envii,

Envii aquarium equaliser - envii,

£9.95
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Fish tank background sepia big - tank,

Fish tank background sepia big - tank,

£14.99
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Aquarium fish tank - 1,

Aquarium fish tank - 1,

£11.00
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Aquarium 500l fish tank - fish,

Aquarium 500l fish tank - fish,

£520.00
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4in1 aquarium fish tank - aquarium, water

4in1 aquarium fish tank - aquarium, water

£11.00
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Nyos quantum 120 protein - nyos,

Nyos quantum 120 protein - nyos,

£149.99
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In1 aquarium fish tank - in1,

In1 aquarium fish tank - in1,

£11.00
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Fluval cycle 500ml - 500ml, biological

Fluval cycle 500ml - 500ml, biological

£16.99
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Fluval biomax rings 500g - biomax,

Fluval biomax rings 500g - biomax,

£12.90
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Aquarium fish tank - 4, 1

Aquarium fish tank - 4, 1

£11.00
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4in1 1500l aquarium fish - 1500l/h,

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

£10.98
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Tap aquarium doctor soft - tap,

Tap aquarium doctor soft - tap,

£5.99
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Aquael turbo internal filter - aquael,

Aquael turbo internal filter - aquael,

£27.95
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In1 aquarium fish tank - tank, water

In1 aquarium fish tank - tank, water

£8.00
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Interpet aquarium filter - interpet,

Interpet aquarium filter - interpet,

£21.49
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Fluval external filter 107 207 - external,

Fluval external filter 107 207 - external,

£305.99
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4in1 plug aquarium fish - 4in1,

4in1 plug aquarium fish - 4in1,

£11.00
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In1 aquarium fish tank - 4,

In1 aquarium fish tank - 4,

£11.00
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Esha aquarium water treatment - water,

Esha aquarium water treatment - water,

£9.99
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Allpondsolutions external - allpondsolutions,

Allpondsolutions external - allpondsolutions,

£14.99
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Aquael asap filters internal - aquael,

Aquael asap filters internal - aquael,

£21.45
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4in1 aquarium fish tank - fish,

4in1 aquarium fish tank - fish,

£10.99
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Labs swimbladder aquarium - nt,

Labs swimbladder aquarium - nt,

£9.45
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In1 aquarium fish - 4,

In1 aquarium fish - 4,

£11.00
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Aquarium fish tank - in,

Aquarium fish tank - in,

£11.00
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Aquarium internal - aquarium,

Aquarium internal - aquarium,

£9.87
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Jecod pump variable - dc,

Jecod pump variable - dc,

£71.99
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Marine protein skimmer bubble - protein,

Marine protein skimmer bubble - protein,

£109.99
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Fish tank aquarium - in,

Fish tank aquarium - in,

£10.99
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In1 aquarium fish tank - in1,

In1 aquarium fish tank - in1,

£11.00
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Ultraflow weir comb 60cm - weir,

Ultraflow weir comb 60cm - weir,

£24.45
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4in1 aquarium fish - 4in1, tank

4in1 aquarium fish - 4in1, tank

£11.00
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Aquarium plants airline weight - plants,

Aquarium plants airline weight - plants,

£6.51
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Voonline t50 50w adjustable - voonline,

Voonline t50 50w adjustable - voonline,

£11.87
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Aquarium equaliser 50g - equaliser:, ph

Aquarium equaliser 50g - equaliser:, ph

£14.95
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Sera air 550 plus aquarium - air,

Sera air 550 plus aquarium - air,

£36.99
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Fluval external filter - fluval,

Fluval external filter - fluval,

£216.99
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📊96 listings · from £4.95 · avg £64.89
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 96 big fish tanks listings currently in our index. Prices range from £4.95 to £1350, with an average of £64.89. 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 →

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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 £1350 — giving you a wide budget spread to work with. The average price of £64.89 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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