For Sale UK

Marine fish tank

4

Marine fish tank for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / Marine fish tank refurbished & used for sale | For Sale UK
Red sea reef - red, matt

Red sea reef - red, matt

£156.70 · Buy It Now

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External aquarium canister - external,

External aquarium canister - external,

£59.99 · Buy It Now

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Aquarium marine fish - marine,

Aquarium marine fish - marine,

£95.00 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£599.99 · Buy It Now

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4ft fish tank aquarium - fish,

4ft fish tank aquarium - fish,

£699.99 · Buy It Now

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Marine reef fish tank - marine,

Marine reef fish tank - marine,

£73.50 · Buy It Now

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Brand new orphek - new, or2

Brand new orphek - new, or2

£100.00 · Buy It Now

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Egg crate for aquarium fish - egg,

Egg crate for aquarium fish - egg,

£2.99 · Buy It Now

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Fluval sea evo - evo, fresh

Fluval sea evo - evo, fresh

£169.99 · Buy It Now

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Hidom external aquarium filter - hidom,

Hidom external aquarium filter - hidom,

£64.95 · Buy It Now

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Fluval sea evo 52l marine - fluval,

Fluval sea evo 52l marine - fluval,

£159.99 · Buy It Now

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60cm aquarium marine - aquarium/marine, fish

60cm aquarium marine - aquarium/marine, fish

£5.99 · Buy It Now

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Aquarium coral sand white aqua - aquarium,

Aquarium coral sand white aqua - aquarium,

£14.49 · Buy It Now

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Vitalis platinum marine - vitalis,

Vitalis platinum marine - vitalis,

£99.99 · Buy It Now

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Hidom controllable pump for - controllable,

Hidom controllable pump for - controllable,

£99.99 · Buy It Now

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Marine reef aquarium - marine,

Marine reef aquarium - marine,

£212.00 · Buy It Now

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Premium egg crate heavy - premium, duty

Premium egg crate heavy - premium, duty

£3.69 · Buy It Now

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Marina lux led aquarium - marina, kits

Marina lux led aquarium - marina, kits

£239.99 · Buy It Now

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4ft fish tank - 4ft,

4ft fish tank - 4ft,

£669.99 · Buy It Now

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Waterlife cuprazin marine - cuprazin, fish

Waterlife cuprazin marine - cuprazin, fish

£7.99 · Buy It Now

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Diversa aquarium with stand - with,

Diversa aquarium with stand - with,

£479.99 · Buy It Now

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Hidom aquarium air pump fish - air,

Hidom aquarium air pump fish - air,

£8.45 · Buy It Now

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Fluval sea evo - evo, marine

Fluval sea evo - evo, marine

£159.99 · Buy It Now

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Aquarium wave maker pump - aquarium,

Aquarium wave maker pump - aquarium,

£4.68 · Buy It Now

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Tropic marin all for reef - all,

Tropic marin all for reef - all,

£22.99 · Buy It Now

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Jecod jebao sw4 wave maker - wave,

Jecod jebao sw4 wave maker - wave,

£16.15 · Buy It Now

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Fish tank test - fish,

Fish tank test - fish,

£9.95 · Buy It Now

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Aquarium external canister - aquarium,

Aquarium external canister - aquarium,

£66.95 · Buy It Now

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Love fish 64l - fish,

Love fish 64l - fish,

£104.70 · Buy It Now

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Hepo led marine - hepo, aquarium

Hepo led marine - hepo, aquarium

£36.99 · Buy It Now

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4ft marine tropical freshwater - 4ft,

4ft marine tropical freshwater - 4ft,

£42.30 · Buy It Now

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Jebao marine reef aquarium - jebao,

Jebao marine reef aquarium - jebao,

£48.99 · Buy It Now

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Tropic marin all for - marin,

Tropic marin all for - marin,

£34.99 · Buy It Now

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Fluval sea marine led - fluval,

Fluval sea marine led - fluval,

£282.85 · Buy It Now

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Caribsea ocean direct natural - caribsea,

Caribsea ocean direct natural - caribsea,

£46.95 · Buy It Now

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Aquarium wave maker pump - wave,

Aquarium wave maker pump - wave,

£4.68 · Buy It Now

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Qlt fish tank building set - fish,

Qlt fish tank building set - fish,

£30.11 · Buy It Now

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Filter floss wool foam - filter,

Filter floss wool foam - filter,

£7.95 · Buy It Now

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Aquarium fish tank filter - aquarium,

Aquarium fish tank filter - aquarium,

£24.99 · Buy It Now

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Red sea reefer 350 - red, aquarium

Red sea reefer 350 - red, aquarium

£207.66 · Buy It Now

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Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£57.95 · Buy It Now

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Tropic marin all for reef - tropic,

Tropic marin all for reef - tropic,

£21.49 · Buy It Now

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Ocean nutrition formula one - ocean,

Ocean nutrition formula one - ocean,

£12.99 · Buy It Now

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Api test tube - api, holder

Api test tube - api, holder

£11.75 · Buy It Now

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Aqua one nanoreef marine - one, 35

Aqua one nanoreef marine - one, 35

£139.95 · Buy It Now

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Aquarium marine wavemaker - marine, /

Aquarium marine wavemaker - marine, /

£22.99 · Buy It Now

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Marine filter food coral zoas - coral,

Marine filter food coral zoas - coral,

£5.99 · Buy It Now

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100 bio balls sump tank - 100,

100 bio balls sump tank - 100,

£8.99 · Buy It Now

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Api prevent algae - algae, 118ml

Api prevent algae - algae, 118ml

£7.99 · Buy It Now

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Ista coral frag rack - ista, multi

Ista coral frag rack - ista, multi

£4.49 · Buy It Now

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Eheim thermocontrol heater - thermocontrol,

Eheim thermocontrol heater - thermocontrol,

£29.99 · Buy It Now

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Ocean nutrition prime - ocean, reef

Ocean nutrition prime - ocean, reef

£8.99 · Buy It Now

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Instant ocean marine salt - ocean,

Instant ocean marine salt - ocean,

£279.99 · Buy It Now

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140cm aquarium light rgb - 75-140cm,

140cm aquarium light rgb - 75-140cm,

£38.41 · Buy It Now

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Filter floss wool - wool, media

Filter floss wool - wool, media

£18.99 · Buy It Now

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Api prevent algae 237ml - api,

Api prevent algae 237ml - api,

£9.79 · Buy It Now

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Square cut filter grid - cut,

Square cut filter grid - cut,

£144.99 · Buy It Now

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Blue marine reef - blue, aquarium

Blue marine reef - blue, aquarium

£8.99 · Buy It Now

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Jbl pro aquatest lab marin - lab,

Jbl pro aquatest lab marin - lab,

£87.95 · Buy It Now

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Salifert test kit - salifert, marine

Salifert test kit - salifert, marine

£9.99 · Buy It Now

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Aquarium tropical marine - aquarium,

Aquarium tropical marine - aquarium,

£13.99 · Buy It Now

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Aqua one hydrometer - hydrometer, with

Aqua one hydrometer - hydrometer, with

£6.69 · Buy It Now

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Fish tank aquarium - tank, cabinet

Fish tank aquarium - tank, cabinet

£599.99 · Buy It Now

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Aqua one nanoreef complete - one,

Aqua one nanoreef complete - one,

£254.99 · Buy It Now

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Arcadia polyfilter standard - arcadia,

Arcadia polyfilter standard - arcadia,

£14.35 · Buy It Now

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Tropic marin all - tropic, for

Tropic marin all - tropic, for

£32.49 · Buy It Now

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Salifert profi test kit - profi, range

Salifert profi test kit - profi, range

£10.50 · Buy It Now

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Jumpguard diy aquarium - d-d,

Jumpguard diy aquarium - d-d,

£10.45 · Buy It Now

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Aquarium marine fish tank - fish,

Aquarium marine fish tank - fish,

£8.60 · Buy It Now

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Fluval 307 external filter - fluval,

Fluval 307 external filter - fluval,

£159.99 · Buy It Now

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100w aquarium marine fish tank - marine,

100w aquarium marine fish tank - marine,

£7.60 · Buy It Now

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Hidom aquarium air pump fish - air,

Hidom aquarium air pump fish - air,

£14.99 · Buy It Now

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Tims one only life - dr,

Tims one only life - dr,

£49.99 · Buy It Now

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25kg coral samoa - 25kg, gravel

25kg coral samoa - 25kg, gravel

£42.99 · Buy It Now

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Jecod wavemaker marine - sw-4,

Jecod wavemaker marine - sw-4,

£42.29 · Buy It Now

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Reef zlements activated carbon - reef,

Reef zlements activated carbon - reef,

£19.99 · Buy It Now

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London aquatic design auto top - london,

London aquatic design auto top - london,

£75.00 · Buy It Now

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Bubble magus mini fluidised - 70,

Bubble magus mini fluidised - 70,

£47.99 · Buy It Now

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Hidom aquarium 8000l wave - 8000l/h,

Hidom aquarium 8000l wave - 8000l/h,

£19.99 · Buy It Now

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Wave maker aquarium fish - wave,

Wave maker aquarium fish - wave,

£14.27 · Buy It Now

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Marine fish invert - fish,

Marine fish invert - fish,

£13.99 · Buy It Now

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Fluval sea marine led - sea, 3.0

Fluval sea marine led - sea, 3.0

£129.99 · Buy It Now

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Reef crystals marine salt 2kg - reef,

Reef crystals marine salt 2kg - reef,

£298.95 · Buy It Now

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Juwel helialux spectrum led - juwel,

Juwel helialux spectrum led - juwel,

£294.95 · Buy It Now

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3000l marine aquarium wave - 3000l/h,

3000l marine aquarium wave - 3000l/h,

£12.99 · Buy It Now

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Aquaforest reef salt marine - salt,

Aquaforest reef salt marine - salt,

£69.99 · Buy It Now

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Allpondsolutions wave maker - allpondsolutions,

Allpondsolutions wave maker - allpondsolutions,

£15.99 · Buy It Now

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Aquarium fish tank heater - fish,

Aquarium fish tank heater - fish,

£15.74 · Buy It Now

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Marina aquarium thermometers - marina,

Marina aquarium thermometers - marina,

£3.29 · Buy It Now

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Jumpguard pro diy aquarium - diy,

Jumpguard pro diy aquarium - diy,

£59.99 · Buy It Now

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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£29.99 · Buy It Now

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Jebao dc650 marine reef - marine,

Jebao dc650 marine reef - marine,

£39.95 · Buy It Now

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Aquarium test tube holder - test, rack

Aquarium test tube holder - test, rack

£5.45 · Buy It Now

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Filter foam sponge replacement - filter,

Filter foam sponge replacement - filter,

£5.99 · Buy It Now

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Marine reef aquarium fish tank - reef,

Marine reef aquarium fish tank - reef,

£465.70 · Buy It Now

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Aquati stage compact reverse - aquati,

Aquati stage compact reverse - aquati,

£37.95 · Buy It Now

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📊96 listings · from £2.99 · avg £94.38
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 marine fish tank listings currently in our index. Prices range from £2.99 to £699.99, with an average of £94.38. 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 fish tank →

Try this: aquarium heater | fish tanks | juwel trigon 350 | hexagonal fish tank | marine aquarium tank | nano marine aquarium | shrimp | vortech | 3ft aquarium | 5 ft aquarium

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Everything you need to know about marine fish tank

Whether you are looking for a brand-new or second-hand marine fish 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 £2.99, while premium listings can reach £699.99 — giving you a wide budget spread to work with. The average price of £94.38 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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