4ft fish tanks
4ft fish tanks for sale on Ireland's largest auction and classifieds sites
Diversa aquarium with stand - diversa, - £455.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Aquarium fish tank cabinet - aquarium, - £599.99
This 300 litre • Gallon 4ft white • Fish tank perfect - Free postage - New and Used
This 300 litre • Gallon 4ft white • Fish tank perfect - Free postage - New and Used
4ft tank with sump - sump, setup - £182.70
2ft this creates • More oxygen tank • Fish reluctant sale - Free postage - New and Used
2ft this creates • More oxygen tank • Fish reluctant sale - Free postage - New and Used
4ft fish tank aquarium - 4ft, - £699.99
Boasting luxurious matt • White cabinet curved • Glass exterior walnut - Free postage - New and Used
Boasting luxurious matt • White cabinet curved • Glass exterior walnut - Free postage - New and Used
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Diversa aquarium with - with, / - £349.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
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48 listings · from £6.7 · avg £234.98
⚠️ These listings were last updated more than 22 days ago.
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Browse 48 4ft fish tanks listings currently in our index. Prices range from £6.7 to £1304.99, with an average of £234.98. 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 4ft fish tanks →
Diversa aquarium with - aquarium, stand - £455.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with stand - diversa, - £289.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with stand - diversa, - £289.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with stand - diversa, - £405.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Diversa aquarium with - diversa, - £355.95
This way you • Will know exactly • When expect your - Free postage - New and Used
This way you • Will know exactly • When expect your - Free postage - New and Used
Aquarium fish tank background - tank, - £7.95
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 - fish, - £8.65
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
4ft fish tank - fish, - £649.99
All one fish • Tank set bundle • That will give - Free postage - New and Used
All one fish • Tank set bundle • That will give - Free postage - New and Used
Fish tank aquarium complete - aquarium, - £414.70
Used but great • Condition 4ft 2ft • Tank has been - Free postage - New and Used
Used but great • Condition 4ft 2ft • Tank has been - Free postage - New and Used
Fish tank aquarium - fish, - £599.99
This 300 litre • Gallon 4ft fish • Tank perfect bring - Free postage - New and Used
This 300 litre • Gallon 4ft fish • Tank perfect bring - Free postage - New and Used
4ft clear seal 450litres reef - clear, - £125.02
4ft clear seal • 450litres reef tank • Stand good condition - Free postage - New and Used
4ft clear seal • 450litres reef tank • Stand good condition - Free postage - New and Used
Juwel led aquariums rio - aquariums, - £799.99
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, - £9.95
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 - aquarium, - £7.95
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 - aquarium, - £7.55
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 - fish, background - £7.95
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 - aquarium, - £8.35
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
4ft oil tank float - (1.2m), - £24.79
Suitable diesel kerosene • Biodiesel b100 float • Level gauge oil - Free postage - New and Used
Suitable diesel kerosene • Biodiesel b100 float • Level gauge oil - Free postage - New and Used
60cm aquarium freshwater - aquarium, - £8.25
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
Aqua one nano - one, tank - £159.95
Award winning aquarium • Full quality practicality • Versatility fully integrated - Free postage - New and Used
Award winning aquarium • Full quality practicality • Versatility fully integrated - Free postage - New and Used
Aquarium fish tank - fish, - £7.95
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, - £9.95
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 - aquarium, - £7.55
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, - £9.95
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 - aquarium, - £9.95
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, - £7.55
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 - £10.85
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
Aquarium fish tank background - aquarium, - £8.35
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
Craftsboys aquarium - craftsboys, - £36.44
Its compact makes • Perfect fit any • Desk shelf countertop - Free postage - New and Used
Its compact makes • Perfect fit any • Desk shelf countertop - Free postage - New and Used
Aquarium fish tank background - tank, - £8.85
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 - fish, background - £9.35
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
4ft 300l led fish - 4ft, - £699.99
Tank features walnut • Trim well curved • Glass added aesthetic - Free postage - New and Used
Tank features walnut • Trim well curved • Glass added aesthetic - Free postage - New and Used
Aquarium fish tank background - aquarium, - £6.70
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
Seabray elite aquarium - elite, fish - £516.70
When open lid • Good condition only • Thing that wrong - Free postage - New and Used
When open lid • Good condition only • Thing that wrong - Free postage - New and Used
Juwel rio 450l fish - 450l, - £435.10
Juwel rio 450l • Fish tank aquarium • Complete setup that - Free postage - New and Used
Juwel rio 450l • Fish tank aquarium • Complete setup that - Free postage - New and Used
Aqua one reefsys 326l marine - aqua, - £1304.99
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
Aquarium starter kits - starter, - £32.12
Its compact makes • Perfect fit any • Desk shelf countertop - Free postage - New and Used
Its compact makes • Perfect fit any • Desk shelf countertop - Free postage - New and Used
Aquarium fish tank - aquarium, - £9.35
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
Fish tank aquarium cabinet - fish, - £649.99
This 300 litre • Gallon 4ft white • Fish tank perfect - Free postage - New and Used
This 300 litre • Gallon 4ft white • Fish tank perfect - Free postage - New and Used
Aquarium fish tank - fish, background - £8.85
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
5x3 fish tank - ft, - £104.70
Water tight 5ft • Long 3.5ft tall • 1.5ft wide has - Free postage - New and Used
Water tight 5ft • Long 3.5ft tall • 1.5ft wide has - Free postage - New and Used
21inches high 15inches front - high,, - £208.70
High inch front • Back inches long • Tank fish books - Free postage - New and Used
High inch front • Back inches long • Tank fish books - Free postage - New and Used
Fluval fx4 external canister - fx4, - £247.99
Fx4 bridges gap • Between fluval famous • 406 fx6 external - Free postage - New and Used
Fx4 bridges gap • Between fluval famous • 406 fx6 external - Free postage - New and Used
Try this: aquabeam | corner aquarium | zoas | tall vivarium | deltec | aquarium fish tanks | aquarium ornaments | eheim external filter | marine fish tank | aquarium heater
Shop by budget
Everything you need to know about 4ft fish tanks
Whether you are looking for a brand-new or second-hand 4ft 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 £6.7, while premium listings can reach £1304.99 — giving you a wide budget spread to work with. The average price of £234.98 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.