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Fishtanks for sale on largest auction and classifieds sites

Home / / Fishtanks refurbished & used for sale | For Sale UK
Second chance tanks we - chance, buy

Second chance tanks we - chance, buy

£1.16
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Skimz aquarium sump pro - skimz,

Skimz aquarium sump pro - skimz,

£104.70
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Juwel bowfront glass - juwel,

Juwel bowfront glass - juwel,

£68.30
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Boyu water chiller perfect - -,

Boyu water chiller perfect - -,

£295.00
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Handmade resin fishtank - fishtank, globe

Handmade resin fishtank - fishtank, globe

£1.17
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Bog wood large - bog,

Bog wood large - bog,

£52.70
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Fish tank ultra - clear, low

Fish tank ultra - clear, low

£39.99
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Aqua one betta trio glass - one,

Aqua one betta trio glass - one,

£131.99
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Fluval provac plug - fluval, in

Fluval provac plug - fluval, in

£49.99
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Aquarium natural driftwood - natural,

Aquarium natural driftwood - natural,

£10.29
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Moss peat fish tanks aquarium - moss,

Moss peat fish tanks aquarium - moss,

£3.99
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Fish shelter house fishtanks - fish,

Fish shelter house fishtanks - fish,

£13.74
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Allpondsolutions ultra clear - allpondsolutions,

Allpondsolutions ultra clear - allpondsolutions,

£39.99
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2kg co2 fire extinguisher for - co2,

2kg co2 fire extinguisher for - co2,

£15.95
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Floating plant corral - plant, plastic

Floating plant corral - plant, plastic

£7.34
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200 litre fish tank and - , stand

200 litre fish tank and - , stand

£156.70
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Twisted vine branch individual - vine,

Twisted vine branch individual - vine,

£20.98
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5pcs aquarium floating - 5pcs, of

5pcs aquarium floating - 5pcs, of

£3.99
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Wave maker pump aquarium - wave,

Wave maker pump aquarium - wave,

£9.73
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Oase biomaster external - biomaster, 2

Oase biomaster external - biomaster, 2

£189.95
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Aquarium durable fish egg - durable,

Aquarium durable fish egg - durable,

£8.54
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Aquarium bay plant holder - 3/6-bay,

Aquarium bay plant holder - 3/6-bay,

£5.99
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Silent usb aquarium oxygen - usb,

Silent usb aquarium oxygen - usb,

£6.99
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73cm piece shipwreck - ,

73cm piece shipwreck - ,

£59.99
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Finest filters compatible air - filters,

Finest filters compatible air - filters,

£21.99
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Aquarium hideouts spawning - aquarium,

Aquarium hideouts spawning - aquarium,

£5.11
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Reusable green aquarium - reusable,

Reusable green aquarium - reusable,

£8.99
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Aqua one cabinets - one,

Aqua one cabinets - one,

£159.99
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300 litre fish tank - made, to

300 litre fish tank - made, to

£187.90
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40in glass rectangular - glass,

40in glass rectangular - glass,

£78.70
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Fish tank 100x50x50cm - , and

Fish tank 100x50x50cm - , and

£312.70
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Dual fish tank aquarium - dual,

Dual fish tank aquarium - dual,

£64.99
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Aquarium cooling fan head - aquarium, 3

Aquarium cooling fan head - aquarium, 3

£21.50
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Aquarium durable fish egg - aquarium,

Aquarium durable fish egg - aquarium,

£8.23
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Black acrylic aquarium small - aquarium,

Black acrylic aquarium small - aquarium,

£36.89
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Dark moor root wood - wood, individual

Dark moor root wood - wood, individual

£37.98
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Interpet aquarium swimbladder - aquarium,

Interpet aquarium swimbladder - aquarium,

£9.49
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3mp aquarium pet - aquarium,

3mp aquarium pet - aquarium,

£22.98
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Usb power interface fish - interface, tank

Usb power interface fish - interface, tank

£8.56
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43l fish tank glass - 43l,

43l fish tank glass - 43l,

£34.99
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Easy live aquarium plants - live,

Easy live aquarium plants - live,

£14.79
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Aquarium filter with - filter,

Aquarium filter with - filter,

£9.99
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4ft fish tank aquarium - 4ft,

4ft fish tank aquarium - 4ft,

£719.99
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Aquarium magnet cleaner - cleaner, marina

Aquarium magnet cleaner - cleaner, marina

£9.99
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Aquariumh20 aquarium tongs - aquarium,

Aquariumh20 aquarium tongs - aquarium,

£6.95
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Driftwood aquarium decor - aquarium,

Driftwood aquarium decor - aquarium,

£23.98
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Compact plastic aquarium - compact,

Compact plastic aquarium - compact,

£4.99
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Aquarium natural driftwood - aquarium,

Aquarium natural driftwood - aquarium,

£18.79
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Aquarium backdrop decoration - aquarium,

Aquarium backdrop decoration - aquarium,

£8.95
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Aquarium stone cave rock - aquarium,

Aquarium stone cave rock - aquarium,

£8.00
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22mm suction cups small - suction,

22mm suction cups small - suction,

£1.16
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Premium aquarium natural - premium,

Premium aquarium natural - premium,

£13.49
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Aquariumh2o double barrel - aquariumh2o,

Aquariumh2o double barrel - aquariumh2o,

£9.95
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Police box aquarium - box,

Police box aquarium - box,

£11.00
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Container pond plant fishtank - container,

Container pond plant fishtank - container,

£19.99
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Seachem stability aquarium - seachem,

Seachem stability aquarium - seachem,

£21.49
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Natural atmospheres fish tanks - atmospheres,

Natural atmospheres fish tanks - atmospheres,

£5.81
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Aquarium natural mangrove - aquarium, wood

Aquarium natural mangrove - aquarium, wood

£14.79
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Allpondsolutions aquarium - allpondsolutions,

Allpondsolutions aquarium - allpondsolutions,

£12.99
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Fish tanks water changer hook - fish,

Fish tanks water changer hook - fish,

£13.60
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Premium aquarium natural - premium,

Premium aquarium natural - premium,

£18.89
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Adjustable return outlet fish - outlet,

Adjustable return outlet fish - outlet,

£23.49
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Aquarium shelter cave - aquarium, resin

Aquarium shelter cave - aquarium, resin

£4.93
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Aquarium natural driftwood - aquarium,

Aquarium natural driftwood - aquarium,

£12.29
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Aquariumh2o yellow car - yellow,

Aquariumh2o yellow car - yellow,

£9.95
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Premium aquarium natural - aquarium,

Premium aquarium natural - aquarium,

£16.79
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Premium aquarium natural - aquarium,

Premium aquarium natural - aquarium,

£14.89
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Tetra aquasafe water - tetra,

Tetra aquasafe water - tetra,

£4.81
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Algae scrubbers ati carbo - scrubbers,

Algae scrubbers ati carbo - scrubbers,

£32.96
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Fluorescence jellyfish - fluorescence,

Fluorescence jellyfish - fluorescence,

£3.90
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Aquariumh2o blue white - blue,

Aquariumh2o blue white - blue,

£7.95
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Aquarium natural driftwood - aquarium,

Aquarium natural driftwood - aquarium,

£12.49
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5pcs aquarium floating - aquarium,

5pcs aquarium floating - aquarium,

£3.29
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Oase biorb classic mcr - oase,

Oase biorb classic mcr - oase,

£89.99
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Vacuum for aquarium fish tank - for,

Vacuum for aquarium fish tank - for,

£11.95
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Plastic artificial grass - grass, water

Plastic artificial grass - grass, water

£3.23
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Aquarium fry shrimp - hideouts, x

Aquarium fry shrimp - hideouts, x

£8.02
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2pcs mini plastic fish - 2pcs,

2pcs mini plastic fish - 2pcs,

£20.19
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Premium freshwater aquarium - premium,

Premium freshwater aquarium - premium,

£12.81
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Telescopic shrimp net for - telescopic,

Telescopic shrimp net for - telescopic,

£5.49
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Filter start bacteria boost - start/bacteria,

Filter start bacteria boost - start/bacteria,

£4.49
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Long hose with safety - 2.6m,

Long hose with safety - 2.6m,

£6.99
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Aquarium air pump marina cool - air,

Aquarium air pump marina cool - air,

£7.99
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Pack realistic artificial - 2-pack,

Pack realistic artificial - 2-pack,

£11.99
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Nickelodeon grow your - grow,

Nickelodeon grow your - grow,

£7.99
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Supa filter carbon bucket - carbon,

Supa filter carbon bucket - carbon,

£20.55
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Aquarium replacement filter - aa,

Aquarium replacement filter - aa,

£19.90
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Aqua one mangrove - aqua, roots

Aqua one mangrove - aqua, roots

£34.99
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Aqua one betta quad - aqua,

Aqua one betta quad - aqua,

£262.99
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Colourful fishtank pebbles - colourful,

Colourful fishtank pebbles - colourful,

£3.31
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Led aquarium clip light usb - led,

Led aquarium clip light usb - led,

£6.48
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Aquarium moss peat - 1.5,

Aquarium moss peat - 1.5,

£9.99
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125ml green away water - green,

125ml green away water - green,

£6.99
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Aqua one silk plant amazon - one, red

Aqua one silk plant amazon - one, red

£7.49
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Jebao submersible pond pump - submersible,

Jebao submersible pond pump - submersible,

£114.95
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Juwel fish tank used - fish,

Juwel fish tank used - fish,

£180.00
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📊96 listings · from £1.16 · avg £44.75

Browse 96 fishtanks listings currently in our index. Prices range from £1.16 to £719.99, with an average of £44.75. 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 fishtanks →

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Everything you need to know about fishtanks

Whether you are looking for a brand-new or second-hand fishtanks, 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 £719.99 — giving you a wide budget spread to work with. The average price of £44.75 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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