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Marine aquarium

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Marine aquarium for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Marine aquarium for sale – 96 used, around £63 | For Sale UK
Aquarium fish tank cabinet - aquarium,

Aquarium fish tank cabinet - aquarium,

£599.99
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Juwel corner fish tank - , glass

Juwel corner fish tank - , glass

£75.00
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Aquarium mic 500l - ‼️aquarium🐠"mic",

Aquarium mic 500l - ‼️aquarium🐠"mic",

£516.70
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Marine aquarium tmc reef - aquarium,

Marine aquarium tmc reef - aquarium,

£389.20
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Marine aquarium live - , rock

Marine aquarium live - , rock

£15.00
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Deltec 2060 protein skimmer - 2060,

Deltec 2060 protein skimmer - 2060,

£42.30
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Juwel led vision 180 - 180, white

Juwel led vision 180 - 180, white

£562.80
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Cabinet aquarium 4ft tropical - aquarium,

Cabinet aquarium 4ft tropical - aquarium,

£599.99
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Red sea reef matt 500 - red, marine

Red sea reef matt 500 - red, marine

£239.90
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Red sea reef ato marine - reef,

Red sea reef ato marine - reef,

£104.70
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Funktion pump return - d-d, dc

Funktion pump return - d-d, dc

£63.10
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Neptune systems trident - neptune,

Neptune systems trident - neptune,

£380.00
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Radion xr15 blue led - radion, reef

Radion xr15 blue led - radion, reef

£208.70
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Jebao marine reef - jebao,

Jebao marine reef - jebao,

£54.99
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Seachem prime water - seachem,

Seachem prime water - seachem,

£14.99
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2pcs popbloom rl90 with - popbloom, arm

2pcs popbloom rl90 with - popbloom, arm

£259.00
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Seachem prime dechlorinator - prime,

Seachem prime dechlorinator - prime,

£139.99
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Aqua one minireef black - one,

Aqua one minireef black - one,

£349.99
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Red sea max - max, rectangular

Red sea max - max, rectangular

£465.70
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Aqua one minireef white - one,

Aqua one minireef white - one,

£349.99
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Red sea nanomat roller filter - nanomat,

Red sea nanomat roller filter - nanomat,

£115.10
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Atm colony marine - atm,

Atm colony marine - atm,

£89.99
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Xepta autobalance marine - autobalance,

Xepta autobalance marine - autobalance,

£350.00
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Egg crate for aquarium - crate, fish

Egg crate for aquarium - crate, fish

£3.49
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Redsea temperature probe - redsea,

Redsea temperature probe - redsea,

£37.10
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Juwel vision 180 - 180, aquarium

Juwel vision 180 - 180, aquarium

£796.80
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Nero5 aquarium tank - ai,

Nero5 aquarium tank - ai,

£151.50
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Aquarium fish transport bags - aquarium,

Aquarium fish transport bags - aquarium,

£6.99
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Modular coral frag rack wall - coral,

Modular coral frag rack wall - coral,

£32.99
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Aquarium 6x2x2 including - aquarium, 6x2x2’

Aquarium 6x2x2 including - aquarium, 6x2x2’

£273.70
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Huge amount marine and - huge,

Huge amount marine and - huge,

£52.70
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Aqua one marine - one, reef

Aqua one marine - one, reef

£669.70
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Jumpguard pro diy aquarium - jumpguard,

Jumpguard pro diy aquarium - jumpguard,

£35.00
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Neptune automatic feeding - automatic,

Neptune automatic feeding - automatic,

£89.10
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100 sheets grade nori - 100,

100 sheets grade nori - 100,

£6.89
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Profilux aquarium controller - profilux, 4

Profilux aquarium controller - profilux, 4

£276.30
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Marine aquarium nori seaweed - aquarium,

Marine aquarium nori seaweed - aquarium,

£3.99
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Tmc aquaray marine - p5, aquarium

Tmc aquaray marine - p5, aquarium

£30.00
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Red sea complete - red, 4

Red sea complete - red, 4

£52.70
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Red sea peninsula - peninsula, g2

Red sea peninsula - peninsula, g2

£567.70
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Nero marine aquarium - ai,

Nero marine aquarium - ai,

£167.10
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Xepta autobalance digital - xepta,

Xepta autobalance digital - xepta,

£350.00
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Aquascape epoxy grey or - aquascape,

Aquascape epoxy grey or - aquascape,

£6.99
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Printed coral frag rack - printed,

Printed coral frag rack - printed,

£29.81
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Red sea reefer 750 750l - reefer,

Red sea reefer 750 750l - reefer,

£1975.00
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Fluval sea evo 52l - fluval, marine

Fluval sea evo 52l - fluval, marine

£144.99
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Jumpguard pro diy aquarium - d-d,

Jumpguard pro diy aquarium - d-d,

£51.99
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Allpondsolutions wave maker - wave,

Allpondsolutions wave maker - wave,

£14.99
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Tmc dosing container 3x1 - tmc,

Tmc dosing container 3x1 - tmc,

£25.00
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Aipai smart ato system - ato,

Aipai smart ato system - ato,

£39.89
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Aqua reverse osmosis - aqua,

Aqua reverse osmosis - aqua,

£63.10
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Red sea reef - red,

Red sea reef - red,

£141.10
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Marine aquarium fish tank - marine, live

Marine aquarium fish tank - marine, live

£10.63
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Radion xr30 blue gen - radion,

Radion xr30 blue gen - radion,

£1230.70
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Aqua one minireef grey ex - minireef,

Aqua one minireef grey ex - minireef,

£349.99
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Aqua one minireef - minireef, marine

Aqua one minireef - minireef, marine

£619.99
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Fluval sea evo marine - sea,

Fluval sea evo marine - sea,

£89.10
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Xepta autobalance marine - xepta,

Xepta autobalance marine - xepta,

£360.00
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The aquarium solution - dd,

The aquarium solution - dd,

£21.50
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3000l marine aquarium - 3000l/h,

3000l marine aquarium - 3000l/h,

£12.99
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Submersible aquarium fish - aquarium, tank

Submersible aquarium fish - aquarium, tank

£8.90
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Hidom aquarium wave maker - aquarium,

Hidom aquarium wave maker - aquarium,

£14.45
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Reef octopus classic - reef,

Reef octopus classic - reef,

£120.30
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Marine aquarium live - , rock

Marine aquarium live - , rock

£10.80
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Aqua one minireef marine - aqua, 90

Aqua one minireef marine - aqua, 90

£519.99
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Submersible aquarium fish tank - aquarium,

Submersible aquarium fish tank - aquarium,

£8.90
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Dual heating and - d-d,

Dual heating and - d-d,

£42.30
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4mm air line pond - line, marine

4mm air line pond - line, marine

£4.95
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Hikari marine fish food - hikari,

Hikari marine fish food - hikari,

£7.78
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Nano scope marine aquarium - nano,

Nano scope marine aquarium - nano,

£40.00
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Aquarium filter media net - filter,

Aquarium filter media net - filter,

£10.99
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Red sea max - max, rfg

Red sea max - max, rfg

£4.99
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Tropic marin all for reef - tropic, all-for-reef

Tropic marin all for reef - tropic, all-for-reef

£57.90
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Hidom external aquarium - hidom,

Hidom external aquarium - hidom,

£64.95
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Coral box marine - coral, aquarium

Coral box marine - coral, aquarium

£13.47
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Marine tank return water - tank, pump

Marine tank return water - tank, pump

£63.68
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Tims aquarium cycling kits - dr,

Tims aquarium cycling kits - dr,

£27.99
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Maxspect l165 jump reef - mj-l165,

Maxspect l165 jump reef - mj-l165,

£83.90
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Internal aquarium fish - internal, tank

Internal aquarium fish - internal, tank

£7.86
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Red sea max - red,

Red sea max - red,

£317.80
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Red sea led reef - reef,

Red sea led reef - reef,

£234.70
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Ecotech mp40qd marine aquarium - ecotech,

Ecotech mp40qd marine aquarium - ecotech,

£187.90
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Jebao jecod dcs 1200 water - jebao,

Jebao jecod dcs 1200 water - jebao,

£34.66
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Tropic marin all - tropic,

Tropic marin all - tropic,

£22.40
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Iquatics juwel compatible - iquatics,

Iquatics juwel compatible - iquatics,

£37.99
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Reef tank dosing - reef, container

Reef tank dosing - reef, container

£78.00
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Flipper max marine aquarium - flipper,

Flipper max marine aquarium - flipper,

£47.50
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Ocean nutrition prime reef - nutrition,

Ocean nutrition prime reef - nutrition,

£12.85
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Tropical marine centre vecton - tropical,

Tropical marine centre vecton - tropical,

£50.00
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Filter floss wool foam - wool, media

Filter floss wool foam - wool, media

£7.95
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Orphek atlantik marine - atlantik, v4

Orphek atlantik marine - atlantik, v4

£700.00
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Seachem prime dechlorinates - seachem,

Seachem prime dechlorinates - seachem,

£129.65
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Tims ammonium chloride - ammonium,

Tims ammonium chloride - ammonium,

£11.99
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Bubble magus sp1000 skimmer - bubble,

Bubble magus sp1000 skimmer - bubble,

£20.00
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Evolution aqua pure reef - pure,

Evolution aqua pure reef - pure,

£13.45
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400l canister filter - canister, set

400l canister filter - canister, set

£38.98
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Looking for more marine aquarium?

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📊96 listings · from £3.49 · avg £185.82

Browse 96 marine aquarium listings currently in our index. Prices range from £3.49 to £1975, with an average of £185.82. 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 →

Try this: reef aquarium | fish bowls | aquaone tank | fluval edge | large aquarium tank | 3ft fish tanks | 2ft fish tank | 30l fish tank | 4 foot fish tank | 50 litre tank

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< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

Everything you need to know about marine aquarium

Whether you are looking for a brand-new or second-hand marine aquarium, 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 £3.49, while premium listings can reach £1975 — giving you a wide budget spread to work with. The average price of £185.82 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.

🔍 marine aquarium Search live on eBay