3ft fish tanks
3ft fish tanks for sale on Ireland's largest auction and classifieds sites
Aquarium fish tank background - tank, - £7.55
Aquarium fish tank • Background double sided • Height 50cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 50cm give - Free postage - New and Used
Evolution aqua freshwater 900 - £312.70
Evolution aqua 900 • Gloss dark wood • Sizes tank are - Free postage - New and Used
Evolution aqua 900 • Gloss dark wood • Sizes tank are - Free postage - New and Used
Juwel large aquarium fish - fish, tank - £239.90
Juwel aquarium light • Filter airstone including • Live fish big - Free postage - New and Used
Juwel aquarium light • Filter airstone including • Live fish big - Free postage - New and Used
Quality aquarium complete - -, - £260.69
Jump straight into • Fishkeeping this 3ft • Cleair aquarium full - Free postage - New and Used
Jump straight into • Fishkeeping this 3ft • Cleair aquarium full - Free postage - New and Used
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Aquarium fish tank - tank, background - £6.95
Aquarium fish tank • Background double sided • Height 40cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 40cm give - Free postage - New and Used
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48 listings · from £5.95 · avg £141.88
⚠️ These listings were last updated more than 14 days ago.
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Browse 48 3ft fish tanks listings currently in our index. Prices range from £5.95 to £1536.7, with an average of £141.88. 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 3ft fish tanks →
Juwel led aquariums rio - aquariums, - £343.99
Juwel trigon 190 • 350 optimum filtering • Aquariums are fitted - Free postage - New and Used
Juwel trigon 190 • 350 optimum filtering • Aquariums are fitted - Free postage - New and Used
Aquarium fish tank background - aquarium, - £8.45
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Aquarium fish tank background - aquarium, - £5.95
Our fish tank • Background pictures are • Perfect aquarium enthusiasts - Free postage - New and Used
Our fish tank • Background pictures are • Perfect aquarium enthusiasts - Free postage - New and Used
Aquarium fish tank background - aquarium, - £7.95
Our fish tank • Background pictures are • Perfect aquarium enthusiasts - Free postage - New and Used
Our fish tank • Background pictures are • Perfect aquarium enthusiasts - Free postage - New and Used
Aquarium fish tank background - fish, - £6.65
Aquarium fish tank • Background double sided • Height 30cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 30cm give - Free postage - New and Used
Aquarium fish tank background - aquarium, - £8.45
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Aquarium fish tank background - fish, - £8.45
Fish tank background • Double sided height • 60cm experience convenience - Free postage - New and Used
Fish tank background • Double sided height • 60cm experience convenience - Free postage - New and Used
Aquarium fish tank background - aquarium, - £8.45
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Juwel vision 180 - vision, fish - £389.20
Juwel vision 180 • Fish tank stand • Premium aquarium cabinet - Free postage - New and Used
Juwel vision 180 • Fish tank stand • Premium aquarium cabinet - Free postage - New and Used
Aquarium fish tank with lid - fish, - £26.70
Lid made aluminium • Hinges open - Free postage - New and Used
Lid made aluminium • Hinges open - Free postage - New and Used
Juwel vision 180 litre - juwel, - £288.78
Led aquarium light • Wood cabinet curved • Glass face previously - Free postage - New and Used
Led aquarium light • Wood cabinet curved • Glass face previously - Free postage - New and Used
Aquarium fish tank background - fish, - £8.45
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Aquarium fish tank background - fish, - £8.15
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Aqua one reefsys - aqua, - £818.99
White opti glass • All sides tank • Black background wier - Free postage - New and Used
White opti glass • All sides tank • Black background wier - Free postage - New and Used
60cm aquarium freshwater - 24"/60cm, - £6.75
This background has • Different freshwater aquarium • Scenes double sided - Free postage - New and Used
This background has • Different freshwater aquarium • Scenes double sided - Free postage - New and Used
Aquarium fish tank background - fish, - £6.65
Aquarium fish tank • Background double sided • Height 30cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 30cm give - Free postage - New and Used
Aquarium fish tank background - tank, - £7.65
Aquarium fish tank • Background double sided • Height 50cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 50cm give - Free postage - New and Used
Aquarium fish tank background - tank, - £9.05
Aquarium fish tank • Background double sided • Height 80cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 80cm give - Free postage - New and Used
Juwel rio 125 led - juwel, aquarium - £453.99
Juwel rio 125 • Led aquarium cabinets • Light wood real - Free postage - New and Used
Juwel rio 125 • Led aquarium cabinets • Light wood real - Free postage - New and Used
Aquarium fish tank - tank, background - £6.95
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Aquarium fish tank background - fish, - £6.95
Aquarium fish tank • Background double sided • Height 40cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 40cm give - Free postage - New and Used
Aquarium fish tank background - aquarium, - £7.65
Picture height 50cm • Double sided aquarium • Background cover back - Free postage - New and Used
Picture height 50cm • Double sided aquarium • Background cover back - Free postage - New and Used
Aquarium fish tank background - tank, - £8.15
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Aquarium fish tank and - aquarium, cabinet - £312.70
Excellent condition aquarium • Fish tank cabinet • Complete light heater - Free postage - New and Used
Excellent condition aquarium • Fish tank cabinet • Complete light heater - Free postage - New and Used
Fish tank wood frame black - tank, - £187.90
- Free postage - New and Used
- Free postage - New and Used
Aquarium gravel fish tank - aquarium, - £29.15
This substrate ensures • Very good rooting • Rapid growth well - Free postage - New and Used
This substrate ensures • Very good rooting • Rapid growth well - Free postage - New and Used
Doublesided aquarium fish - doublesided, aquarium/fish - £7.95
Height 60cm realistic • Colorful aquarium background • Wallpaper design your - Free postage - New and Used
Height 60cm realistic • Colorful aquarium background • Wallpaper design your - Free postage - New and Used
Superfish scaper aquarium - superfish, - £208.70
Scaper 140 perfect • Condition comes internal • Filter let light - Free postage - New and Used
Scaper 140 perfect • Condition comes internal • Filter let light - Free postage - New and Used
Aquarium fish tank background - aquarium, - £6.65
Aquarium fish tank • Background double sided • Height 30cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 30cm give - Free postage - New and Used
Aquarium fish tank - tank, background - £7.65
Aquarium fish tank • Background double sided • Height 50cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 50cm give - Free postage - New and Used
Aquarium fish tank background - fish, - £7.15
Experience convenience our • Easy application fish • Tank background pictures - Free postage - New and Used
Experience convenience our • Easy application fish • Tank background pictures - Free postage - New and Used
Marine fish tank - marine, - £156.70
Clear seal marine • Fish tank complete • Aquarium setup that - Free postage - New and Used
Clear seal marine • Fish tank complete • Aquarium setup that - Free postage - New and Used
Aquarium fish tank background - aquarium, - £8.15
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Aquarium fish tank • Background double sided • Height 60cm give - Free postage - New and Used
Mini submersible pump 80gph - pump, 3w - £12.76
Water pump • Maximum 300l 80gph • Remove front cover - Free postage - New and Used
Water pump • Maximum 300l 80gph • Remove front cover - Free postage - New and Used
Doublesided aquarium fish tank - doublesided, aquarium/fish - £7.95
Height 40cm realistic • Colorful aquarium background • Wallpaper design your - Free postage - New and Used
Height 40cm realistic • Colorful aquarium background • Wallpaper design your - Free postage - New and Used
Fish tank - tank, - £260.70
Have fish tank • Good condition complete • All accessories you - Free postage - New and Used
Have fish tank • Good condition complete • All accessories you - Free postage - New and Used
Juwel rio 180 led - led, - £419.99
Multilux led 100 • Lighting brilliant luminosity • Excellent plant growth - Free postage - New and Used
Multilux led 100 • Lighting brilliant luminosity • Excellent plant growth - Free postage - New and Used
Aquarium fish tank background - tank, - £8.45
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Aquarium fish tank - fish, - £8.45
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Fish tank background • Double sided height • Pictures are perfect - Free postage - New and Used
Double sided aquarium - double-sided, - £8.45
Upgrade your fish • Tank ourhigh definition • Double sided aquarium - Free postage - New and Used
Upgrade your fish • Tank ourhigh definition • Double sided aquarium - Free postage - New and Used
Juwel rio 125 led - rio, aquarium - £325.95
Multilux led lighting • Brilliant luminosity excellent • Plant growth are - Free postage - New and Used
Multilux led lighting • Brilliant luminosity excellent • Plant growth are - Free postage - New and Used
Doublesided aquarium fish tank - aquarium/fish, - £7.95
Height 60cm realistic • Colorful aquarium background • Wallpaper design your - Free postage - New and Used
Height 60cm realistic • Colorful aquarium background • Wallpaper design your - Free postage - New and Used
Juwel rio 125 led aquarium - 125, - £1536.70
Tank itself fully • Planted crypts different • Variety well amazon - Free postage - New and Used
Tank itself fully • Planted crypts different • Variety well amazon - Free postage - New and Used
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Shop by budget
Everything you need to know about 3ft fish tanks
Whether you are looking for a brand-new or second-hand 3ft fish tanks, eBay offers one of the largest selections available online. With 48 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 £5.95, while premium listings can reach £1536.7 — giving you a wide budget spread to work with. The average price of £141.88 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.