For Sale UK

Marine aquarium tank

4

Marine aquarium tank for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Marine aquarium tank refurbished & used for sale | For Sale UK
Cabinet aquarium 4ft tropical - 4ft,

Cabinet aquarium 4ft tropical - 4ft,

£599.99
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Red sea reefer 350 tank - sea, g2+

Red sea reefer 350 tank - sea, g2+

£363.70
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Marine reef aquarium fishtank - marine,

Marine reef aquarium fishtank - marine,

£212.00
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Vecton 15w aquarium fish - vecton,

Vecton 15w aquarium fish - vecton,

£49.99
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Fluval marine glass rectangle - fluval,

Fluval marine glass rectangle - fluval,

£156.70
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Submersible aquarium fish tank - submersible,

Submersible aquarium fish tank - submersible,

£7.80
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Aquarium fish tank cabinet - aquarium,

Aquarium fish tank cabinet - aquarium,

£619.99
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Egg crate for aquarium fish - crate,

Egg crate for aquarium fish - crate,

£3.49
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Aquarium fish tank cabinet - tank,

Aquarium fish tank cabinet - tank,

£619.99
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4ft fish tank aquarium - 4ft,

4ft fish tank aquarium - 4ft,

£719.99
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Bond clear ha6 rtv silicone - ha6,

Bond clear ha6 rtv silicone - ha6,

£6.98
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Hidom aquarium air - hidom,

Hidom aquarium air - hidom,

£9.95
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Reef stage coral - stage,

Reef stage coral - stage,

£21.50
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External aquarium canister - external,

External aquarium canister - external,

£69.99
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Redsea reefer 300xl - g2,

Redsea reefer 300xl - g2,

£363.70
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Fluval fx4 external canister - external,

Fluval fx4 external canister - external,

£247.99
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Red sea marine premium grade - sea,

Red sea marine premium grade - sea,

£63.10
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Eheim thermocontrol heater - thermocontrol,

Eheim thermocontrol heater - thermocontrol,

£27.95
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Red sea reef mat - reef, x

Red sea reef mat - reef, x

£225.00
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Submersible aquarium fish - fish, tank

Submersible aquarium fish - fish, tank

£14.99
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Aqua one minireef - minireef, 120

Aqua one minireef - minireef, 120

£619.99
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4mm air line pond - 4mm,

4mm air line pond - 4mm,

£4.95
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Lcd digital thermometer - digital,

Lcd digital thermometer - digital,

£2.87
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Instant ocean marine salt - marine,

Instant ocean marine salt - marine,

£57.95
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Allpondsolutions wave maker - wave,

Allpondsolutions wave maker - wave,

£22.99
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Hidom external aquarium filter - external,

Hidom external aquarium filter - external,

£64.95
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Marina aquarium thermometers - aquarium,

Marina aquarium thermometers - aquarium,

£4.00
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Fish tank test strips - test,

Fish tank test strips - test,

£9.95
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Fluval fx6 external canister - fluval,

Fluval fx6 external canister - fluval,

£305.99
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Popbloom wifi aquarium - popbloom,

Popbloom wifi aquarium - popbloom,

£118.80
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Marine tank return pump - tank,

Marine tank return pump - tank,

£119.85
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Marine tank return water pump - marine,

Marine tank return water pump - marine,

£83.89
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Reef crystals marine salt - crystals,

Reef crystals marine salt - crystals,

£249.99
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Marine safe aquarium - marine,

Marine safe aquarium - marine,

£8.00
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Jebao marine reef aquarium - jebao,

Jebao marine reef aquarium - jebao,

£39.95
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Fluval sea evo marine aquarium - sea,

Fluval sea evo marine aquarium - sea,

£159.99
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Api liquid nitrate - liquid, test

Api liquid nitrate - liquid, test

£11.99
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Aquaforest nitraphos minus - aquaforest,

Aquaforest nitraphos minus - aquaforest,

£13.95
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Hidom controllable pump for - hidom,

Hidom controllable pump for - hidom,

£69.99
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Popbloom 2pcs rl115 - popbloom,

Popbloom 2pcs rl115 - popbloom,

£239.00
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Red sea coral pro 22kg - sea,

Red sea coral pro 22kg - sea,

£63.10
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3000l marine aquarium wave - aquarium,

3000l marine aquarium wave - aquarium,

£12.99
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Internal aquarium fish tank - fish,

Internal aquarium fish tank - fish,

£8.29
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Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£43.95
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Vitalis platinum marine - platinum,

Vitalis platinum marine - platinum,

£99.99
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Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£2.67
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Aqua one nanoreef marine - 35,

Aqua one nanoreef marine - 35,

£139.95
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Hidom aquarium wave maker - hidom,

Hidom aquarium wave maker - hidom,

£14.45
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Premium egg crate heavy duty - premium,

Premium egg crate heavy duty - premium,

£4.49
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25w 300w submersible - 25w--300w, aquarium

25w 300w submersible - 25w--300w, aquarium

£7.82
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Red sea reefer skimmer - red,

Red sea reefer skimmer - red,

£338.20
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Ha6 310ml aquarium - 310ml, silicone

Ha6 310ml aquarium - 310ml, silicone

£12.99
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Bond black ha6 rtv - black,

Bond black ha6 rtv - black,

£6.98
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4ft fish tank aquarium - tank, set

4ft fish tank aquarium - tank, set

£719.99
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Reef tank dosing - reef,

Reef tank dosing - reef,

£58.00
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Hidom air pump aquarium - hidom, fish

Hidom air pump aquarium - hidom, fish

£17.95
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Vastocean marine aquarium tank - vastocean,

Vastocean marine aquarium tank - vastocean,

£14.49
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Prime 16hd reef - prime, led

Prime 16hd reef - prime, led

£99.50
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Aqua one nanoreef - nanoreef, 80

Aqua one nanoreef - nanoreef, 80

£389.99
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1pc cat fishing - fishing, resin

1pc cat fishing - fishing, resin

£3.30
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Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£3.59
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Allpondsolutions dual marine - allpondsolutions,

Allpondsolutions dual marine - allpondsolutions,

£16.99
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Diversa aquarium with - aquarium, /

Diversa aquarium with - aquarium, /

£359.99
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Aquarium coral sand white aqua - white,

Aquarium coral sand white aqua - white,

£15.25
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Jumpguard pro diy aquarium - diy,

Jumpguard pro diy aquarium - diy,

£49.99
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Alfa frozen fish food - frozen,

Alfa frozen fish food - frozen,

£15.25
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Hidom aquarium air pump fish - hidom,

Hidom aquarium air pump fish - hidom,

£7.99
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Aquarium 500l fish tank - aquarium,

Aquarium 500l fish tank - aquarium,

£555.00
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200 micron long nylon - micron,

200 micron long nylon - micron,

£5.99
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Filter floss wool - filter,

Filter floss wool - filter,

£5.99
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Vibrant liquid reef - reef, safe

Vibrant liquid reef - reef, safe

£49.95
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Eheim jager aquarium - eheim, tank

Eheim jager aquarium - eheim, tank

£29.95
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Red sea reef energy - sea, plus

Red sea reef energy - sea, plus

£36.99
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Instant ocean marine salt - ocean,

Instant ocean marine salt - ocean,

£110.00
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Diy fish tank - diy,

Diy fish tank - diy,

£20.29
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Ha6 310ml aquarium - ha6,

Ha6 310ml aquarium - ha6,

£12.99
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Tropic marin all for - marin, reef

Tropic marin all for - marin, reef

£17.99
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Aqua one optisystem 180 marine - optisystem,

Aqua one optisystem 180 marine - optisystem,

£500.00
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Caribsea aragalive fiji pink - aragalive,

Caribsea aragalive fiji pink - aragalive,

£36.99
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Fluval sea evo - fluval,

Fluval sea evo - fluval,

£169.99
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Eheim thermopreset heaters - thermopreset,

Eheim thermopreset heaters - thermopreset,

£28.99
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Hidom aquarium air pump quiet - hidom,

Hidom aquarium air pump quiet - hidom,

£11.45
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Aquaforest reef salt - reef,

Aquaforest reef salt - reef,

£74.90
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Aquarium surface skimmer - aquarium,

Aquarium surface skimmer - aquarium,

£12.99
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Instant ocean 20kg synthetic - ocean,

Instant ocean 20kg synthetic - ocean,

£57.95
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Ocean nutrition formula one - nutrition,

Ocean nutrition formula one - nutrition,

£12.75
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Sicce syncra pump silent - pump,

Sicce syncra pump silent - pump,

£53.99
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Bond black ha6 - ha6, silicone

Bond black ha6 - ha6, silicone

£6.98
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Interpet deltatherm 300w - interpet,

Interpet deltatherm 300w - interpet,

£14.54
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Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£18.99
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Ocean nutrition prime - nutrition,

Ocean nutrition prime - nutrition,

£12.85
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Ultraflow weir comb 60cm - ultraflow,

Ultraflow weir comb 60cm - ultraflow,

£22.99
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Tropic marin pro reef - pro,

Tropic marin pro reef - pro,

£68.30
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400l canister pump filter - 400l/h,

400l canister pump filter - 400l/h,

£30.98
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Fish tank marine nuvo fusion - fish,

Fish tank marine nuvo fusion - fish,

£287.75
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Aquaforest reef salt 25kg - reef,

Aquaforest reef salt 25kg - reef,

£74.90
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📊96 listings · from £2.67 · avg £119.64

Browse 96 marine aquarium tank listings currently in our index. Prices range from £2.67 to £719.99, with an average of £119.64. 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 marine aquarium tank →

Try this: 3ft aquarium | 5 ft aquarium | biorb | corner aquarium fish tank | egg crate | fluval | juwel aquarium fish tank | large aquarium | tropical fish tanks | marine fish

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Everything you need to know about marine aquarium tank

Whether you are looking for a brand-new or second-hand marine aquarium tank, 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 £2.67, while premium listings can reach £719.99 — giving you a wide budget spread to work with. The average price of £119.64 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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