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Marine fish tank

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Marine fish tank for sale on largest auction and classifieds sites

Home / eBay / Marine fish tank refurbished & used for sale | For Sale UK
Aquarium fish tank cabinet - aquarium,

Aquarium fish tank cabinet - aquarium,

£599.99 · Buy It Now

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Fauna marin ultra phos - fauna,

Fauna marin ultra phos - fauna,

£97.92 · Buy It Now

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Illumiair 900 connect - v2,

Illumiair 900 connect - v2,

£94.30 · Buy It Now

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Fish tank aquarium - fish,

Fish tank aquarium - fish,

£699.99 · Buy It Now

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Lcd digital thermometer - digital,

Lcd digital thermometer - digital,

£2.99 · Buy It Now

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Red sea nano matt for - nano,

Red sea nano matt for - nano,

£115.10 · Buy It Now

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Egg crate for aquarium - aquarium, fish

Egg crate for aquarium - aquarium, fish

£3.49 · Buy It Now

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Marine safe aquarium fish - marine,

Marine safe aquarium fish - marine,

£8.00 · Buy It Now

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Hidom external aquarium - hidom,

Hidom external aquarium - hidom,

£69.95 · Buy It Now

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Hidom aquarium air pump - air,

Hidom aquarium air pump - air,

£8.45 · Buy It Now

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H2ocean bio pellets - d-d,

H2ocean bio pellets - d-d,

£64.99 · Buy It Now

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4ft fish tank aquarium - tank, up

4ft fish tank aquarium - tank, up

£669.99 · Buy It Now

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Aquarium coral sand white aqua - coral,

Aquarium coral sand white aqua - coral,

£14.49 · Buy It Now

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Jebao marine reef aquarium - marine,

Jebao marine reef aquarium - marine,

£48.99 · Buy It Now

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Fluval sea evo marine fresh - fluval,

Fluval sea evo marine fresh - fluval,

£169.99 · Buy It Now

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120cm aquarium light - 30-120cm, rgb

120cm aquarium light - 30-120cm, rgb

£36.90 · Buy It Now

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Fish tank test strips - tank,

Fish tank test strips - tank,

£9.95 · Buy It Now

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Hidom aquarium 8000l wave - aquarium, 8000l/h

Hidom aquarium 8000l wave - aquarium, 8000l/h

£19.99 · Buy It Now

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External aquarium canister - external,

External aquarium canister - external,

£59.99 · Buy It Now

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Theiling compact rollermat - 1,

Theiling compact rollermat - 1,

£149.97 · Buy It Now

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Aquarium glowing wave - aquarium,

Aquarium glowing wave - aquarium,

£6.45 · Buy It Now

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60cm aquarium marine fish - aquarium/marine,

60cm aquarium marine fish - aquarium/marine,

£5.99 · Buy It Now

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Ha6 sealant silicone - sealant, rtv

Ha6 sealant silicone - sealant, rtv

£45.07 · Buy It Now

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Atm colony marine - -, nitrifying

Atm colony marine - -, nitrifying

£89.99 · Buy It Now

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Arcadia polyfilter standard - arcadia,

Arcadia polyfilter standard - arcadia,

£14.35 · Buy It Now

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Lcd digital thermometer - digital,

Lcd digital thermometer - digital,

£3.59 · Buy It Now

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Jumpguard diy aquarium - jumpguard,

Jumpguard diy aquarium - jumpguard,

£7.95 · Buy It Now

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Ha6 marine silicone - ha6,

Ha6 marine silicone - ha6,

£8.37 · Buy It Now

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Variable flow 2500l water - 2500l/h,

Variable flow 2500l water - 2500l/h,

£56.86 · Buy It Now

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Hepo led aquarium light unit - hepo,

Hepo led aquarium light unit - hepo,

£48.99 · Buy It Now

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Hidom controllable pump for - hidom,

Hidom controllable pump for - hidom,

£79.99 · Buy It Now

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Theiling rollermat mechanical - theiling,

Theiling rollermat mechanical - theiling,

£185.50 · Buy It Now

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Hidom aquarium air - pump, fish

Hidom aquarium air - pump, fish

£7.99 · Buy It Now

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Jumpguard pro diy aquarium - pro,

Jumpguard pro diy aquarium - pro,

£59.99 · Buy It Now

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Fluval sea hydrometer specific - fluval,

Fluval sea hydrometer specific - fluval,

£9.72 · Buy It Now

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Hygger ocean glow - marine, salt

Hygger ocean glow - marine, salt

£16.15 · Buy It Now

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Hidom aquarium air - hidom,

Hidom aquarium air - hidom,

£14.99 · Buy It Now

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Hidom aquarium air - aquarium,

Hidom aquarium air - aquarium,

£14.99 · Buy It Now

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Jebao scp 150 - jebao, cross

Jebao scp 150 - jebao, cross

£131.94 · Buy It Now

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Variable flow 1500l water - variable,

Variable flow 1500l water - variable,

£54.78 · Buy It Now

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Allpondsolutions wave maker - allpondsolutions,

Allpondsolutions wave maker - allpondsolutions,

£13.99 · Buy It Now

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Fish tank aquarium bowl - fish,

Fish tank aquarium bowl - fish,

£8.95 · Buy It Now

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Seachem flourish potassium - flourish,

Seachem flourish potassium - flourish,

£151.99 · Buy It Now

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Hitop 668 50w aquarium - 50w,

Hitop 668 50w aquarium - 50w,

£9.99 · Buy It Now

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Sicce syncra pump silent - sicce,

Sicce syncra pump silent - sicce,

£28.75 · Buy It Now

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Reef crystals marine salt 2kg - crystals,

Reef crystals marine salt 2kg - crystals,

£173.99 · Buy It Now

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Hidom aquarium wave - hidom,

Hidom aquarium wave - hidom,

£14.45 · Buy It Now

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Aqua one reefsys 255l - reefsys,

Aqua one reefsys 255l - reefsys,

£818.99 · Buy It Now

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Red sea coral - sea, marine

Red sea coral - sea, marine

£74.99 · Buy It Now

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Fluval nano led - fluval,

Fluval nano led - fluval,

£24.99 · Buy It Now

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Bubble magus curve extreme - magus,

Bubble magus curve extreme - magus,

£329.99 · Buy It Now

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Premium egg crate heavy duty - premium,

Premium egg crate heavy duty - premium,

£2.99 · Buy It Now

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Aquarium algae scraper fish - aquarium,

Aquarium algae scraper fish - aquarium,

£3.99 · Buy It Now

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Phosfoe gfo 15kg - phosfoe,

Phosfoe gfo 15kg - phosfoe,

£220.00 · Buy It Now

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Aquarium 480l fish tank 150 - fish,

Aquarium 480l fish tank 150 - fish,

£520.00 · Buy It Now

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Titanium heater elitech - d-d,

Titanium heater elitech - d-d,

£81.99 · 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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Fluval pre set - heaters, p10

Fluval pre set - heaters, p10

£18.40 · Buy It Now

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Fluval sea salt - sea, hydrometer

Fluval sea salt - sea, hydrometer

£9.65 · Buy It Now

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Hidom quiet aquarium air - quiet,

Hidom quiet aquarium air - quiet,

£17.45 · Buy It Now

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Interpet bioactive tap - tap, safe

Interpet bioactive tap - tap, safe

£13.99 · Buy It Now

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Fluval sea evo 52l - fluval,

Fluval sea evo 52l - fluval,

£144.99 · Buy It Now

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Filter floss wool - floss, roll

Filter floss wool - floss, roll

£18.99 · Buy It Now

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Fluval sea ps1 - ps1, ps2

Fluval sea ps1 - ps1, ps2

£72.32 · Buy It Now

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Aquarium wave maker pump - aquarium,

Aquarium wave maker pump - aquarium,

£13.74 · Buy It Now

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Bond ha6 rtv marine - bond, it

Bond ha6 rtv marine - bond, it

£6.95 · Buy It Now

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Aqua one aquarium fish - aquarium,

Aqua one aquarium fish - aquarium,

£1139.99 · Buy It Now

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Maxspect ethereal infinite - ethereal,

Maxspect ethereal infinite - ethereal,

£338.20 · Buy It Now

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Coral sand cichlid malawi reef - coral,

Coral sand cichlid malawi reef - coral,

£8.43 · Buy It Now

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Instant ocean marine salt 2kg - instant,

Instant ocean marine salt 2kg - instant,

£269.99 · Buy It Now

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Aquarium 620l fish - fish, tank

Aquarium 620l fish - fish, tank

£610.00 · Buy It Now

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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£24.99 · Buy It Now

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Sc2060 deltec protein - -,

Sc2060 deltec protein - -,

£260.70 · Buy It Now

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Filter floss wool - filter,

Filter floss wool - filter,

£7.95 · Buy It Now

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Aquarium fish tank - tank, maker

Aquarium fish tank - tank, maker

£13.95 · Buy It Now

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High grade activated carbon - grade,

High grade activated carbon - grade,

£4.19 · Buy It Now

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Tims one only life filter - tims, &

Tims one only life filter - tims, &

£32.95 · Buy It Now

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Labs test tube - tube, station

Labs test tube - tube, station

£19.75 · 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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Filter floss wool - wool, media

Filter floss wool - wool, media

£7.50 · Buy It Now

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Tropic marin all for reef - tropic,

Tropic marin all for reef - tropic,

£33.45 · Buy It Now

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Pack ha6 marine safe - 3,

Pack ha6 marine safe - 3,

£12.20 · Buy It Now

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Marine filter food coral - coral, zoas

Marine filter food coral - coral, zoas

£5.99 · Buy It Now

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Fish tank building - tank,

Fish tank building - tank,

£28.97 · Buy It Now

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Tetra easywipes tropical - pk,

Tetra easywipes tropical - pk,

£4.99 · Buy It Now

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Aqua one minireef marine - 90,

Aqua one minireef marine - 90,

£519.99 · Buy It Now

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Dry ocean reef rock 20kg - reef,

Dry ocean reef rock 20kg - reef,

£62.99 · Buy It Now

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Aquarium tropical marine - aquarium,

Aquarium tropical marine - aquarium,

£13.49 · Buy It Now

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Red sea reef - red, 90

Red sea reef - red, 90

£363.70 · Buy It Now

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Aqua one hydrometer with - one,

Aqua one hydrometer with - one,

£6.90 · Buy It Now

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Wave maker aquarium fish - aquarium,

Wave maker aquarium fish - aquarium,

£13.93 · Buy It Now

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Hidom wavemaker wave - maker, for

Hidom wavemaker wave - maker, for

£29.95 · Buy It Now

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Aquarium surface skimmer - aquarium,

Aquarium surface skimmer - aquarium,

£5.99 · Buy It Now

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Freeze dried plankton - dried,

Freeze dried plankton - dried,

£64.99 · Buy It Now

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Seachem prime water - prime,

Seachem prime water - prime,

£14.99 · Buy It Now

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Popbloom rl180 wifi marine - rl180,

Popbloom rl180 wifi marine - rl180,

£359.00 · Buy It Now

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📊96 listings · from £2.99 · avg £114.02
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 marine fish tank listings currently in our index. Prices range from £2.99 to £1139.99, with an average of £114.02. 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 →

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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 £1139.99 — giving you a wide budget spread to work with. The average price of £114.02 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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