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Marine tank

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Marine tank for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Marine tank refurbished & used for sale | For Sale UK
Cleair aquatics 365l - 365l, tropical

Cleair aquatics 365l - 365l, tropical

£363.70
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Marine tank return - tank,

Marine tank return - tank,

£63.69
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Red sea reefer 350 tank - g2+, &

Red sea reefer 350 tank - g2+, &

£363.70
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Marine fish tank circulation - marine,

Marine fish tank circulation - marine,

£59.63
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Cabinet aquarium 4ft - cabinet,

Cabinet aquarium 4ft - cabinet,

£599.99
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Red sea reefdose doser - doser, with

Red sea reefdose doser - doser, with

£208.70
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Neptune trident for fish tank - neptune,

Neptune trident for fish tank - neptune,

£465.70
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Uimoso boat fuel tank portable - fuel,

Uimoso boat fuel tank portable - fuel,

£38.39
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Neptune trident fish - neptune,

Neptune trident fish - neptune,

£465.70
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Marine 135l glass rectangle - marine,

Marine 135l glass rectangle - marine,

£239.90
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Atm colony marine - colony,

Atm colony marine - colony,

£94.99
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Egg crate for - egg,

Egg crate for - egg,

£3.49
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300l 4ft fish - fish, aquarium

300l 4ft fish - fish, aquarium

£699.99
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24l seaflo universal marine - seaflo,

24l seaflo universal marine - seaflo,

£44.99
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Reverse osmosis booster pump - osmosis,

Reverse osmosis booster pump - osmosis,

£49.97
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Aquarium co2 scrubber ati - aquarium,

Aquarium co2 scrubber ati - aquarium,

£29.97
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Red sea reefdose doser - reefdose, for

Red sea reefdose doser - reefdose, for

£208.70
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Instant ocean marine salt 2kg - salt,

Instant ocean marine salt 2kg - salt,

£269.99
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Square cut filter - square, grids

Square cut filter - square, grids

£149.99
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Aqua one minireef - one, 120

Aqua one minireef - one, 120

£619.99
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Complete setup marine fish - complete,

Complete setup marine fish - complete,

£208.70
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Aqua one optisystem 180 - aqua,

Aqua one optisystem 180 - aqua,

£800.00
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Reef crystals marine salt 2kg - crystals,

Reef crystals marine salt 2kg - crystals,

£309.99
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For marine outboard motor - for,

For marine outboard motor - for,

£33.19
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Tims ammonium chloride - tims,

Tims ammonium chloride - tims,

£10.45
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Jumpguard pro diy - d-d,

Jumpguard pro diy - d-d,

£49.99
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Filter floss wool media roll - wool,

Filter floss wool media roll - wool,

£18.99
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1990s warhammer 40k space - 1990s,

1990s warhammer 40k space - 1990s,

£25.14
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Portable storage marine - storage,

Portable storage marine - storage,

£42.71
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Marine tank return - marine,

Marine tank return - marine,

£63.68
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Itc reef delete marine pest - itc,

Itc reef delete marine pest - itc,

£208.69
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Marine fish tank - fish, circulation

Marine fish tank - fish, circulation

£69.92
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Tims aquarium cycling kits - dr,

Tims aquarium cycling kits - dr,

£64.99
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Boat fuel tank - tank, portable

Boat fuel tank - tank, portable

£40.99
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Hidom aquarium wave maker - aquarium,

Hidom aquarium wave maker - aquarium,

£14.45
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Submersible aquarium fish tank - submersible,

Submersible aquarium fish tank - submersible,

£7.80
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Coral colour lens reef - coral,

Coral colour lens reef - coral,

£10.80
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Instant ocean marine salt - marine, 2kg

Instant ocean marine salt - marine, 2kg

£104.99
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Custom aluminium - custom,

Custom aluminium - custom,

£385.00
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Aquarium co2 scrubber ati - aquarium,

Aquarium co2 scrubber ati - aquarium,

£33.97
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Aquascape epoxy 4oz - aquascape,

Aquascape epoxy 4oz - aquascape,

£7.05
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Salifert test kit - kit,

Salifert test kit - kit,

£9.99
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Bubble magus mini fluidised - mini,

Bubble magus mini fluidised - mini,

£29.99
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Filter floss wool foam - filter,

Filter floss wool foam - filter,

£7.50
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Premium egg crate heavy duty - premium,

Premium egg crate heavy duty - premium,

£3.69
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Fuel tank zodiac milpro usg - tank, 6

Fuel tank zodiac milpro usg - tank, 6

£145.00
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Aquarium dosing pump bottle - dosing,

Aquarium dosing pump bottle - dosing,

£40.49
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Aquaforest reef salt marine - aquaforest,

Aquaforest reef salt marine - aquaforest,

£74.90
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Jumpguard diy aquarium - diy,

Jumpguard diy aquarium - diy,

£10.99
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Kitbashed proxy whirlwind - kitbashed,

Kitbashed proxy whirlwind - kitbashed,

£17.21
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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£29.80
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Labs marine lab - lab, multi

Labs marine lab - lab, multi

£59.99
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Hidom aquarium air - hidom,

Hidom aquarium air - hidom,

£9.95
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Seaflo 24l universal fuel - 24l,

Seaflo 24l universal fuel - 24l,

£53.99
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Diamond cut filter grids - filter,

Diamond cut filter grids - filter,

£19.99
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4mm air line - 4mm,

4mm air line - 4mm,

£1.99
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400l canister filter set - 400l/h,

400l canister filter set - 400l/h,

£34.98
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Ha6 310ml aquarium silicone - 310ml,

Ha6 310ml aquarium silicone - 310ml,

£74.99
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Reef pro marine aquarium - reef,

Reef pro marine aquarium - reef,

£1026.70
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Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£2.74
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Reef tank dosing container - reef,

Reef tank dosing container - reef,

£60.00
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Can medium profile inboard - can-sb,

Can medium profile inboard - can-sb,

£169.95
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4ft fish tank aquarium - fish,

4ft fish tank aquarium - fish,

£699.99
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Imperial marine tank - marine,

Imperial marine tank - marine,

£13.99
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Jebao marine reef - marine,

Jebao marine reef - marine,

£54.99
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Aquascape epoxy 4oz - aquascape,

Aquascape epoxy 4oz - aquascape,

£8.25
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For jebao scp series cross - scp,

For jebao scp series cross - scp,

£80.00
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Ocean nutrition formula one - formula,

Ocean nutrition formula one - formula,

£12.99
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Salifert profi test kit range - kit,

Salifert profi test kit range - kit,

£10.30
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Marine safe aquarium fish - marine,

Marine safe aquarium fish - marine,

£8.00
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Aquarium surface skimmer - surface,

Aquarium surface skimmer - surface,

£5.99
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Marine aquarium glass - aquarium,

Marine aquarium glass - aquarium,

£6.99
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Hidom external aquarium - external, filter

Hidom external aquarium - external, filter

£64.95
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Portable boat fuel - boat,

Portable boat fuel - boat,

£41.07
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Tropic marin all - all, reef

Tropic marin all - all, reef

£34.45
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Fluval fx6 external canister - fluval,

Fluval fx6 external canister - fluval,

£305.99
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Allpondsolutions wave maker - allpondsolutions,

Allpondsolutions wave maker - allpondsolutions,

£13.99
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Hidom aquarium air - air, pump

Hidom aquarium air - air, pump

£14.99
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Diversa aquarium with stand - aquarium, /

Diversa aquarium with stand - aquarium, /

£459.99
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Pro jbl aquatest - jbl,

Pro jbl aquatest - jbl,

£52.70
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Water accumulator tank - accumulator,

Water accumulator tank - accumulator,

£14.04
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Square cut filter grid - filter, egg

Square cut filter grid - filter, egg

£152.99
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External aquarium canister - aquarium,

External aquarium canister - aquarium,

£79.99
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Natural ocean rock 20kg large - natural,

Natural ocean rock 20kg large - natural,

£59.69
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Square cut filter grids - square,

Square cut filter grids - square,

£22.99
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For jebao scp - jebao, cross

For jebao scp - jebao, cross

£310.99
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Square cut filter grids - 1,

Square cut filter grids - 1,

£15.99
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Water accumulator tank boat - water,

Water accumulator tank boat - water,

£15.39
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Boat fuel tank portable - boat, marine

Boat fuel tank portable - boat, marine

£40.95
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Magtool reef marine - , tank

Magtool reef marine - , tank

£57.90
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Fluval sea evo marine - sea,

Fluval sea evo marine - sea,

£189.99
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Filter floss wool - filter,

Filter floss wool - filter,

£8.49
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Hidom aquarium air pump - aquarium,

Hidom aquarium air pump - aquarium,

£8.49
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Waterproof digital aquarium - waterproof,

Waterproof digital aquarium - waterproof,

£4.99
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Marine water test analysis - water,

Marine water test analysis - water,

£26.97
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Hulk litre portable marine - 30,

Hulk litre portable marine - 30,

£94.30
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📊96 listings · from £1.99 · avg £129.49
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 marine tank listings currently in our index. Prices range from £1.99 to £1026.7, with an average of £129.49. 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 tank →

Try this: encrinus | parrot fish | zoas wysiwyg | waste water tank | montipora | puffer fish | acrylic aquarium | snail tank | nano cube | fish bowls

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

Everything you need to know about marine tank

Whether you are looking for a brand-new or second-hand marine 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 £1.99, while premium listings can reach £1026.7 — giving you a wide budget spread to work with. The average price of £129.49 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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