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Marine fish tank

4

Marine fish tank for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Marine fish tank refurbished & used for sale | For Sale UK
Cabinet aquarium 4ft tropical - cabinet,

Cabinet aquarium 4ft tropical - cabinet,

£599.99
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Ha6 310ml aquarium - 310ml, silicone

Ha6 310ml aquarium - 310ml, silicone

£74.99
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Egg crate for - egg,

Egg crate for - egg,

£2.99
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400l canister filter set - canister,

400l canister filter set - canister,

£34.98
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300l 4ft fish - 300l,

300l 4ft fish - 300l,

£699.99
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Complete setup marine fish - marine,

Complete setup marine fish - marine,

£208.70
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Aqua one minireef - one, marine

Aqua one minireef - one, marine

£619.99
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Reef crystals marine salt 2kg - reef,

Reef crystals marine salt 2kg - reef,

£309.99
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Hidom aquarium wave maker - hidom,

Hidom aquarium wave maker - hidom,

£14.45
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Atm colony marine - colony,

Atm colony marine - colony,

£21.90
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Fluval fx6 external - fx6, canister

Fluval fx6 external - fx6, canister

£305.99
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Bond ha6 clear 310ml - bond, it

Bond ha6 clear 310ml - bond, it

£8.50
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Submersible aquarium fish - aquarium, tank

Submersible aquarium fish - aquarium, tank

£7.96
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Tmc 60l marine cube glass - tmc,

Tmc 60l marine cube glass - tmc,

£260.70
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Fluval sea evo marine fresh - fluval,

Fluval sea evo marine fresh - fluval,

£169.99
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External aquarium canister - external,

External aquarium canister - external,

£79.99
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Popbloom rl60 wifi marine - rl60, led

Popbloom rl60 wifi marine - rl60, led

£68.30
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Marine safe aquarium fish tank - marine,

Marine safe aquarium fish tank - marine,

£8.00
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Arcadia polyfilter standard - polyfilter,

Arcadia polyfilter standard - polyfilter,

£14.99
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4ft 300l led fish tank - 4ft,

4ft 300l led fish tank - 4ft,

£699.99
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Marine 135l glass rectangle - marine,

Marine 135l glass rectangle - marine,

£300.22
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Hidom aquarium air - aquarium,

Hidom aquarium air - aquarium,

£8.45
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Waterproof digital aquarium - waterproof,

Waterproof digital aquarium - waterproof,

£3.99
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Pro jbl aquatest - pro, lab

Pro jbl aquatest - pro, lab

£52.70
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Caribsea ocean direct natural - direct,

Caribsea ocean direct natural - direct,

£46.95
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Hidom external aquarium - aquarium, filter

Hidom external aquarium - aquarium, filter

£10.95
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Tims one only life - dr,

Tims one only life - dr,

£32.95
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H2ocean fmr75 fluidised - d&d,

H2ocean fmr75 fluidised - d&d,

£20.00
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Jebao marine reef aquarium - reef,

Jebao marine reef aquarium - reef,

£54.99
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Variable flow 4500l - 4500l/h, water

Variable flow 4500l - 4500l/h, water

£70.38
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170 litre marine fish - marine, tank

170 litre marine fish - marine, tank

£208.70
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24l seaflo universal marine - 24l,

24l seaflo universal marine - 24l,

£44.99
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Bond ha6 black 310ml - ha6,

Bond ha6 black 310ml - ha6,

£8.50
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Api test tube - test, holder

Api test tube - test, holder

£11.75
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Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£279.99
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20l starter kit aquarium - 20l,

20l starter kit aquarium - 20l,

£28.59
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Hidom aquarium air pump - air, fish

Hidom aquarium air pump - air, fish

£14.99
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Aquaforest reef salt marine - aquaforest,

Aquaforest reef salt marine - aquaforest,

£74.90
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Maxpect duo return - maxpect,

Maxpect duo return - maxpect,

£125.50
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Popbloom 2pcs rl115 marine led - popbloom,

Popbloom 2pcs rl115 marine led - popbloom,

£259.00
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Bio balls aquarium marine - bio,

Bio balls aquarium marine - bio,

£89.46
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Reef factory dosing pump pro - dosing,

Reef factory dosing pump pro - dosing,

£58.99
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Bond ha6 clear 310ml - bond,

Bond ha6 clear 310ml - bond,

£13.50
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Popbloom wifi aquarium - popbloom,

Popbloom wifi aquarium - popbloom,

£620.00
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Genuine eheim parts aquarium - genuine,

Genuine eheim parts aquarium - genuine,

£2.99
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4ft fish tank aquarium - fish,

4ft fish tank aquarium - fish,

£699.99
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Fluval sea 22w led - sea,

Fluval sea 22w led - sea,

£156.69
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4ft fish tank - fish,

4ft fish tank - fish,

£669.99
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Aqua one nanoreef marine - one,

Aqua one nanoreef marine - one,

£389.99
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Allpondsolutions wave maker - allpondsolutions,

Allpondsolutions wave maker - allpondsolutions,

£13.99
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Full range filter grid - full, of

Full range filter grid - full, of

£149.99
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Submersible aquarium fish tank - aquarium,

Submersible aquarium fish tank - aquarium,

£7.58
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Sol led system light for - light,

Sol led system light for - light,

£38.00
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Salifert test kit marine - salifert,

Salifert test kit marine - salifert,

£11.89
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Fluval pre set heaters p10 - heaters, p25

Fluval pre set heaters p10 - heaters, p25

£19.75
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Phosfoe gfo 1000ml 1kg - phosfoe, /

Phosfoe gfo 1000ml 1kg - phosfoe, /

£22.99
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Eheim thermocontrol heater - eheim,

Eheim thermocontrol heater - eheim,

£22.30
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Jumpguard diy aquarium - d-d,

Jumpguard diy aquarium - d-d,

£7.99
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Jumpguard pro diy - d-d,

Jumpguard pro diy - d-d,

£64.99
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Virtual fish tank - virtual, aquarium

Virtual fish tank - virtual, aquarium

£2.55
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Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£2.49
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Ha6 marine silicone sealant - ha6,

Ha6 marine silicone sealant - ha6,

£8.37
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Bubble magus mini fluidised - bubble-magus,

Bubble magus mini fluidised - bubble-magus,

£32.00
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Aquarium test tube holder rack - tube,

Aquarium test tube holder rack - tube,

£5.45
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Red sea coral - red, marine

Red sea coral - red, marine

£74.99
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Diversa aquarium with stand - diversa, /

Diversa aquarium with stand - diversa, /

£519.99
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Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£18.99
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Fish tank marine - fish,

Fish tank marine - fish,

£83.90
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Maxijet maxi jet 1000 - maxijet,

Maxijet maxi jet 1000 - maxijet,

£28.99
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Filter floss wool - floss,

Filter floss wool - floss,

£18.99
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25kg coral samoa - samoa, sand

25kg coral samoa - samoa, sand

£42.99
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Mx4 maxspect razor r420r 320w - mx4,

Mx4 maxspect razor r420r 320w - mx4,

£260.70
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Silent aquarium oxygen - oxygen, pump

Silent aquarium oxygen - oxygen, pump

£13.49
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Bond ha6 white 310ml - bond, it

Bond ha6 white 310ml - bond, it

£13.50
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Reef pro marine aquarium - dd,

Reef pro marine aquarium - dd,

£1026.70
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Filter floss wool - filter,

Filter floss wool - filter,

£7.50
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Instant ocean marine salt - instant,

Instant ocean marine salt - instant,

£57.95
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Tims ammonium chloride - dr,

Tims ammonium chloride - dr,

£10.45
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Instant ocean marine - instant, 2kg

Instant ocean marine - instant, 2kg

£269.99
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Mx2 pixi lominie 30 - -,

Mx2 pixi lominie 30 - -,

£37.10
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Vitalis marine flake food 22g - food,

Vitalis marine flake food 22g - food,

£86.99
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Aquarium wave maker pump - wave,

Aquarium wave maker pump - wave,

£10.03
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Aquaforest rock 18kg box - aquaforest,

Aquaforest rock 18kg box - aquaforest,

£78.70
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Seachem clarity water - seachem,

Seachem clarity water - seachem,

£8.99
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Red sea marine premium grade - red,

Red sea marine premium grade - red,

£67.99
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Hidom aquarium heater 25w 300w - hidom,

Hidom aquarium heater 25w 300w - hidom,

£10.95
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Tropic marin all - marin, reef

Tropic marin all - marin, reef

£34.45
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Aquarium fish tank - wave, maker

Aquarium fish tank - wave, maker

£13.95
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Aquarium tropical marine - tropical, /

Aquarium tropical marine - tropical, /

£13.49
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Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£3.59
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Aqua medic power flotor - medic,

Aqua medic power flotor - medic,

£68.30
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Dry ocean reef - dry, 20kg

Dry ocean reef - dry, 20kg

£62.99
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Marine reef tank - reef, complete

Marine reef tank - reef, complete

£516.70
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Ista coral frag - frag, rack

Ista coral frag - frag, rack

£4.49
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Variable flow 3500l water - 3500l/h,

Variable flow 3500l water - 3500l/h,

£62.06
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Canister pump filter full set - filter,

Canister pump filter full set - filter,

£34.98
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📊96 listings · from £2.49 · avg £130.7
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 96 marine fish tank listings currently in our index. Prices range from £2.49 to £1026.7, with an average of £130.7. 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 →

Try this: aquarium 5ft | complete marine aquarium | fish tanks | juwel trigon 350 | hexagonal fish tank | marine aquarium tank | 3ft aquarium | 5 ft aquarium | aquareef | corner aquarium 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 £2.49, while premium listings can reach £1026.7 — giving you a wide budget spread to work with. The average price of £130.7 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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