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, (tank

Red sea reefer 350 tank - sea, (tank

£363.70
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Marine reef aquarium - marine, fishtank

Marine reef aquarium - marine, fishtank

£212.00
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Vecton 15w aquarium - vecton, uv

Vecton 15w aquarium - vecton, uv

£49.99
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Fluval marine glass rectangle - glass,

Fluval marine glass rectangle - glass,

£156.70
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Submersible aquarium fish - fish, tank

Submersible aquarium fish - fish, tank

£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 - fish,

Aquarium fish tank cabinet - fish,

£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 - bond,

Bond clear ha6 - bond,

£6.98
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Hidom aquarium air - air, pump

Hidom aquarium air - air, pump

£9.95
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Reef stage coral - stage, shelf

Reef stage coral - stage, shelf

£21.50
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External aquarium canister - aquarium,

External aquarium canister - aquarium,

£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 - red,

Red sea marine premium grade - red,

£63.10
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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£27.95
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Red sea reef mat - red, 1

Red sea reef mat - red, 1

£225.00
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Submersible aquarium fish - aquarium, tank

Submersible aquarium fish - aquarium, tank

£14.99
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Aqua one minireef 120 - aqua, marine

Aqua one minireef 120 - aqua, marine

£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 - ocean, salt

Instant ocean marine - ocean, salt

£57.95
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Allpondsolutions wave maker - allpondsolutions,

Allpondsolutions wave maker - allpondsolutions,

£22.99
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Hidom external aquarium filter - hidom,

Hidom external aquarium filter - hidom,

£64.95
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Marina aquarium thermometers - aquarium,

Marina aquarium thermometers - aquarium,

£4.00
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Fish tank test strips - 6-in-1,

Fish tank test strips - 6-in-1,

£9.95
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Fluval fx6 external canister - fx6,

Fluval fx6 external canister - fx6,

£305.99
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Popbloom wifi aquarium - wifi,

Popbloom wifi aquarium - wifi,

£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 2kg - marine,

Reef crystals marine salt 2kg - marine,

£249.99
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Marine safe aquarium fish tank - marine,

Marine safe aquarium fish tank - marine,

£8.00
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Jebao marine reef - marine, aquarium

Jebao marine reef - marine, aquarium

£39.95
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Fluval sea evo marine aquarium - evo,

Fluval sea evo marine aquarium - evo,

£159.99
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Api liquid nitrate test kit - liquid,

Api liquid nitrate test kit - liquid,

£11.99
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Aquaforest nitraphos minus - nitraphos,

Aquaforest nitraphos minus - nitraphos,

£13.95
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Hidom controllable pump - controllable, dc

Hidom controllable pump - controllable, dc

£69.99
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Popbloom 2pcs rl115 marine - rl115, led

Popbloom 2pcs rl115 marine - rl115, led

£239.00
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Red sea coral pro 22kg - red, marine

Red sea coral pro 22kg - red, marine

£63.10
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3000l marine aquarium wave - 3000l/h,

3000l marine aquarium wave - 3000l/h,

£12.99
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Internal aquarium fish tank - aquarium,

Internal aquarium fish tank - aquarium,

£8.29
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Instant ocean marine salt - ocean,

Instant ocean marine salt - ocean,

£43.95
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Vitalis platinum marine - vitalis,

Vitalis platinum marine - vitalis,

£99.99
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Lcd digital thermometer - digital,

Lcd digital thermometer - digital,

£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 - aquarium, maker

Hidom aquarium wave - aquarium, maker

£14.45
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Premium egg crate heavy duty - egg,

Premium egg crate heavy duty - egg,

£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 300 - reefer,

Red sea reefer skimmer 300 - reefer,

£338.20
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Ha6 310ml aquarium silicone - 310ml,

Ha6 310ml aquarium silicone - 310ml,

£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 set - fish, up

4ft fish tank aquarium set - fish, up

£719.99
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Reef tank dosing - reef,

Reef tank dosing - reef,

£58.00
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Hidom air pump aquarium - aquarium, fish

Hidom air pump aquarium - aquarium, fish

£17.95
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Vastocean marine aquarium - vastocean,

Vastocean marine aquarium - vastocean,

£14.49
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Prime 16hd reef - ai,

Prime 16hd reef - ai,

£99.50
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Aqua one nanoreef - nanoreef, marine

Aqua one nanoreef - nanoreef, marine

£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 stand - aquarium,

Diversa aquarium with stand - aquarium,

£359.99
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Aquarium coral sand white - aquarium,

Aquarium coral sand white - aquarium,

£15.25
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Jumpguard pro diy aquarium - pro,

Jumpguard pro diy aquarium - pro,

£49.99
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Alfa frozen fish - frozen,

Alfa frozen fish - frozen,

£15.25
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Hidom aquarium air pump - aquarium,

Hidom aquarium air pump - aquarium,

£7.99
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Aquarium 500l fish tank - fish,

Aquarium 500l fish tank - fish,

£555.00
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200 micron long nylon - 1/200, 4"

200 micron long nylon - 1/200, 4"

£5.99
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Filter floss wool media roll - ,

Filter floss wool media roll - ,

£5.99
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Vibrant liquid reef safe - vibrant,

Vibrant liquid reef safe - vibrant,

£49.95
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Eheim jager aquarium fish - aquarium,

Eheim jager aquarium fish - aquarium,

£29.95
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Red sea reef energy - energy, plus

Red sea reef energy - energy, 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 - fish, block

Diy fish tank - fish, block

£20.29
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Ha6 310ml aquarium silicone - aquarium,

Ha6 310ml aquarium silicone - aquarium,

£12.99
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Tropic marin all - marin, reef

Tropic marin all - marin, reef

£17.99
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Aqua one optisystem 180 - aqua, marine

Aqua one optisystem 180 - aqua, marine

£500.00
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Caribsea aragalive fiji - caribsea,

Caribsea aragalive fiji - caribsea,

£36.99
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Fluval sea evo - fluval, fresh

Fluval sea evo - fluval, fresh

£169.99
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Eheim thermopreset heaters - eheim,

Eheim thermopreset heaters - eheim,

£28.99
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Hidom aquarium air pump - hidom,

Hidom aquarium air pump - hidom,

£11.45
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Aquaforest reef salt marine - aquaforest,

Aquaforest reef salt marine - aquaforest,

£74.90
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Aquarium surface skimmer - surface,

Aquarium surface skimmer - surface,

£12.99
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Instant ocean 20kg synthetic - instant,

Instant ocean 20kg synthetic - instant,

£57.95
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Ocean nutrition formula - one, &

Ocean nutrition formula - one, &

£12.75
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Sicce syncra pump silent - sicce,

Sicce syncra pump silent - sicce,

£53.99
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Bond black ha6 silicone - it,

Bond black ha6 silicone - it,

£6.98
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Interpet deltatherm 300w - 300w, /

Interpet deltatherm 300w - 300w, /

£14.54
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Instant ocean marine - instant,

Instant ocean marine - instant,

£18.99
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Ocean nutrition prime - nutrition, reef

Ocean nutrition prime - nutrition, reef

£12.85
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Ultraflow weir comb 60cm - d-d,

Ultraflow weir comb 60cm - d-d,

£22.99
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Tropic marin pro reef - tropic, tmc

Tropic marin pro reef - tropic, tmc

£68.30
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400l canister pump filter - canister,

400l canister pump filter - canister,

£30.98
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Fish tank marine nuvo fusion - marine,

Fish tank marine nuvo fusion - marine,

£287.75
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Aquaforest reef salt - aquaforest,

Aquaforest reef salt - aquaforest,

£74.90
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📊96 listings · from £2.67 · avg £119.64
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

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: 5 ft aquarium | biorb | corner aquarium fish tank | egg crate | fluval | juwel aquarium fish tank | large aquarium | tropical fish tanks | oak tank | bow front fish tank

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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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