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 - 4ft, tropical

Cabinet aquarium 4ft - 4ft, tropical

£599.99
Buy It Now

» View on eBay
Fluval adjustable length - 2x,

Fluval adjustable length - 2x,

£208.70
Buy It Now

» View on eBay
Marine tank return water pump - marine,

Marine tank return water pump - marine,

£63.69
Buy It Now

» View on eBay
Marine tank return - water, pump

Marine tank return - water, pump

£63.68
Buy It Now

» View on eBay
4ft fish tank aquarium - tank,

4ft fish tank aquarium - tank,

£699.99
Buy It Now

» View on eBay
Egg crate for aquarium fish - for,

Egg crate for aquarium fish - for,

£2.99
Buy It Now

» View on eBay
Aquarium fish tank 25l - fish,

Aquarium fish tank 25l - fish,

£46.99
Buy It Now

» View on eBay
Vitalis platinum marine - vitalis,

Vitalis platinum marine - vitalis,

£99.99
Buy It Now

» View on eBay
Hidom aquarium air pump - hidom,

Hidom aquarium air pump - hidom,

£25.95
Buy It Now

» View on eBay
Bond clear ha6 rtv silicone - it,

Bond clear ha6 rtv silicone - it,

£6.98
Buy It Now

» View on eBay
Hidom external aquarium filter - hidom,

Hidom external aquarium filter - hidom,

£59.95
Buy It Now

» View on eBay
Aqua one minireef grey - 90,

Aqua one minireef grey - 90,

£349.99
Buy It Now

» View on eBay
Tims ammonium chloride - tims,

Tims ammonium chloride - tims,

£10.45
Buy It Now

» View on eBay
Fluval sea evo - sea, fresh

Fluval sea evo - sea, fresh

£169.99
Buy It Now

» View on eBay
Aquarium fish tank heater - fish,

Aquarium fish tank heater - fish,

£20.77
Buy It Now

» View on eBay
Jebao marine reef aquarium - jebao,

Jebao marine reef aquarium - jebao,

£54.99
Buy It Now

» View on eBay
Instant ocean marine salt 2kg - instant,

Instant ocean marine salt 2kg - instant,

£104.99
Buy It Now

» View on eBay
Filter floss wool media roll - floss,

Filter floss wool media roll - floss,

£18.99
Buy It Now

» View on eBay
Hidom aquarium air pump fish - aquarium,

Hidom aquarium air pump fish - aquarium,

£24.99
Buy It Now

» View on eBay
Fluval sea evo marine - evo, aquarium

Fluval sea evo marine - evo, aquarium

£159.99
Buy It Now

» View on eBay
Arcadia polyfilter pad - arcadia,

Arcadia polyfilter pad - arcadia,

£61.99
Buy It Now

» View on eBay
Full range filter - full, egg

Full range filter - full, egg

£149.99
Buy It Now

» View on eBay
Aqua one minireef 120 marine - minireef,

Aqua one minireef 120 marine - minireef,

£619.99
Buy It Now

» View on eBay
Prime led reef light unit - ai,

Prime led reef light unit - ai,

£99.50
Buy It Now

» View on eBay
Clear filter grid egg crate - crate, 6x

Clear filter grid egg crate - crate, 6x

£149.99
Buy It Now

» View on eBay
Neptune auto feeder marine - auto,

Neptune auto feeder marine - auto,

£63.10
Buy It Now

» View on eBay
Submersible aquarium fish tank - submersible,

Submersible aquarium fish tank - submersible,

£7.80
Buy It Now

» View on eBay
Jecod wavemaker marine - jecod,

Jecod wavemaker marine - jecod,

£42.29
Buy It Now

» View on eBay
Thick black aquarium filter - thick,

Thick black aquarium filter - thick,

£14.28
Buy It Now

» View on eBay
Popbloom rl90 wifi reef led - popbloom,

Popbloom rl90 wifi reef led - popbloom,

£142.56
Buy It Now

» View on eBay
Popbloom 2pcs rl115 marine - popbloom,

Popbloom 2pcs rl115 marine - popbloom,

£239.00
Buy It Now

» View on eBay
Maxpect duo return - return, pumps

Maxpect duo return - return, pumps

£156.70
Buy It Now

» View on eBay
Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£279.99
Buy It Now

» View on eBay
Labs marine lab - labs,

Labs marine lab - labs,

£59.99
Buy It Now

» View on eBay
400l canister filter - canister, set

400l canister filter - canister, set

£28.98
Buy It Now

» View on eBay
Bubble magus curve - magus,

Bubble magus curve - magus,

£329.99
Buy It Now

» View on eBay
Atm colony marine nitrifying - colony,

Atm colony marine nitrifying - colony,

£21.90
Buy It Now

» View on eBay
Hidom aquarium air - hidom, pump

Hidom aquarium air - hidom, pump

£8.29
Buy It Now

» View on eBay
External aquarium canister - aquarium,

External aquarium canister - aquarium,

£69.99
Buy It Now

» View on eBay
Hepo led marine - led, aquarium

Hepo led marine - led, aquarium

£36.99
Buy It Now

» View on eBay
Submersible aquarium fish tank - fish,

Submersible aquarium fish tank - fish,

£7.47
Buy It Now

» View on eBay
Filter floss wool foam media - filter,

Filter floss wool foam media - filter,

£7.95
Buy It Now

» View on eBay
Aquarium fish tank wave - fish,

Aquarium fish tank wave - fish,

£13.95
Buy It Now

» View on eBay
Hikari seaweed extreme - hikari,

Hikari seaweed extreme - hikari,

£6.90
Buy It Now

» View on eBay
Lcd digital thermometer - digital,

Lcd digital thermometer - digital,

£3.59
Buy It Now

» View on eBay
4ft fish tank aquarium set - tank,

4ft fish tank aquarium set - tank,

£669.99
Buy It Now

» View on eBay
Lcd digital thermometer - digital,

Lcd digital thermometer - digital,

£2.75
Buy It Now

» View on eBay
Aqua one nanoreef marine - nanoreef, 80

Aqua one nanoreef marine - nanoreef, 80

£389.99
Buy It Now

» View on eBay
Reefculture marine pure - reefculture,

Reefculture marine pure - reefculture,

£16.95
Buy It Now

» View on eBay
4ft 300l led fish tank - 300l,

4ft 300l led fish tank - 300l,

£699.99
Buy It Now

» View on eBay
Ocean nutrition formula one - nutrition,

Ocean nutrition formula one - nutrition,

£12.99
Buy It Now

» View on eBay
Salifert profi test - salifert,

Salifert profi test - salifert,

£34.95
Buy It Now

» View on eBay
Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£24.99
Buy It Now

» View on eBay
Salifert test kit marine - -,

Salifert test kit marine - -,

£9.99
Buy It Now

» View on eBay
Marina aquarium thermometers - aquarium,

Marina aquarium thermometers - aquarium,

£3.60
Buy It Now

» View on eBay
Vibrant liquid reef safe - liquid,

Vibrant liquid reef safe - liquid,

£49.95
Buy It Now

» View on eBay
Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£2.34
Buy It Now

» View on eBay
Allpondsolutions wave maker - allpondsolutions,

Allpondsolutions wave maker - allpondsolutions,

£13.99
Buy It Now

» View on eBay
Marine aquarium glass - aquarium,

Marine aquarium glass - aquarium,

£6.99
Buy It Now

» View on eBay
Funktion pump return - d-d, /

Funktion pump return - d-d, /

£145.00
Buy It Now

» View on eBay
200 micron long nylon - 1/200, 4"

200 micron long nylon - 1/200, 4"

£5.99
Buy It Now

» View on eBay
Square cut filter grid egg - grid,

Square cut filter grid egg - grid,

£152.99
Buy It Now

» View on eBay
Aquarium 480l fish - aquarium, x

Aquarium 480l fish - aquarium, x

£520.00
Buy It Now

» View on eBay
Aquarium systems maxijet maxi - aquarium,

Aquarium systems maxijet maxi - aquarium,

£28.99
Buy It Now

» View on eBay
Aquarium tropical marine - aquarium,

Aquarium tropical marine - aquarium,

£13.49
Buy It Now

» View on eBay
Filter floss wool foam - floss, media

Filter floss wool foam - floss, media

£8.25
Buy It Now

» View on eBay
Jumpguard pro diy aquarium - d-d,

Jumpguard pro diy aquarium - d-d,

£49.99
Buy It Now

» View on eBay
Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£55.99
Buy It Now

» View on eBay
Instant ocean marine salt 2kg - marine,

Instant ocean marine salt 2kg - marine,

£269.99
Buy It Now

» View on eBay
Api liquid nitrate - api, test

Api liquid nitrate - api, test

£11.99
Buy It Now

» View on eBay
Hidom controllable pump for - pump,

Hidom controllable pump for - pump,

£99.99
Buy It Now

» View on eBay
3000l marine aquarium - 3000l/h,

3000l marine aquarium - 3000l/h,

£12.99
Buy It Now

» View on eBay
Hidom aquarium wave - hidom,

Hidom aquarium wave - hidom,

£23.95
Buy It Now

» View on eBay
4mm air line - 4mm,

4mm air line - 4mm,

£1.99
Buy It Now

» View on eBay
Aquarium surface skimmer - surface,

Aquarium surface skimmer - surface,

£5.99
Buy It Now

» View on eBay
Air line splitter manifold - manifold, for

Air line splitter manifold - manifold, for

£449.99
Buy It Now

» View on eBay
Ocean nutrition prime reef - ocean,

Ocean nutrition prime reef - ocean,

£20.95
Buy It Now

» View on eBay
Fish tank test strips - fish,

Fish tank test strips - fish,

£9.95
Buy It Now

» View on eBay
Phosfoe gfo 1000ml - gfo, 1kg

Phosfoe gfo 1000ml - gfo, 1kg

£22.99
Buy It Now

» View on eBay
Jebao scp - jebao, scp-90/scp-150

Jebao scp - jebao, scp-90/scp-150

£148.99
Buy It Now

» View on eBay
Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£2.79
Buy It Now

» View on eBay
Fluval 307 external aquarium - external,

Fluval 307 external aquarium - external,

£119.99
Buy It Now

» View on eBay
Red sea coral - sea, marine

Red sea coral - sea, marine

£74.99
Buy It Now

» View on eBay
10pcs 4x15 filter - 4x15", bag

10pcs 4x15 filter - 4x15", bag

£16.97
Buy It Now

» View on eBay
Bond clear ha6 - bond, rtv

Bond clear ha6 - bond, rtv

£3.89
Buy It Now

» View on eBay
Aquaforest reef salt - aquaforest, marine

Aquaforest reef salt - aquaforest, marine

£74.90
Buy It Now

» View on eBay
Aquarium 710l fish - aquarium, x

Aquarium 710l fish - aquarium, x

£830.00
Buy It Now

» View on eBay
Salifert marine all one - salifert, in

Salifert marine all one - salifert, in

£29.95
Buy It Now

» View on eBay
Seachem clarity water - seachem,

Seachem clarity water - seachem,

£19.90
Buy It Now

» View on eBay
Aquaforest stone fix 5l - stone, 1l

Aquaforest stone fix 5l - stone, 1l

£15.95
Buy It Now

» View on eBay
Interpet bioactive tap safe - bioactive,

Interpet bioactive tap safe - bioactive,

£13.99
Buy It Now

» View on eBay
Aquarium wave maker - maker, pump

Aquarium wave maker - maker, pump

£10.03
Buy It Now

» View on eBay
Reef crystals marine - marine, salt

Reef crystals marine - marine, salt

£309.99
Buy It Now

» View on eBay
Premium egg crate heavy duty - egg,

Premium egg crate heavy duty - egg,

£2.99
Buy It Now

» View on eBay
Popbloom rl180 wifi - rl180,

Popbloom rl180 wifi - rl180,

£209.00
Buy It Now

» View on eBay
Marine aquarium reef - aquarium,

Marine aquarium reef - aquarium,

£516.70
Buy It Now

» View on eBay

Looking for more marine aquarium tank?

Search eBay live — fresh results filtered for the best value, updated every hour.

🔍 Search live deals
📊96 listings · from £1.99 · avg £121.55

Browse 96 marine aquarium tank listings currently in our index. Prices range from £1.99 to £830, with an average of £121.55. 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 | corner aquarium fish tank | egg crate | juwel aquarium fish tank | marine fish coral | tropical fish tanks | marine fish | oak tank | bow front fish tank

Shop by budget

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

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 £1.99, while premium listings can reach £830 — giving you a wide budget spread to work with. The average price of £121.55 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 tank Search live on eBay