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Marine fish

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Marine fish for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / Marine fish refurbished & used for sale | For Sale UK
Marine macroalgae frag macro - frag, |

Marine macroalgae frag macro - frag, |

£6.99 · Buy It Now

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Jebao tsp variflow pond pump - jebao,

Jebao tsp variflow pond pump - jebao,

£149.99 · Buy It Now

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Marine collagen powder - collagen, 10000mg

Marine collagen powder - collagen, 10000mg

£22.95 · Buy It Now

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Marine macro algae dragons - marine,

Marine macro algae dragons - marine,

£19.49 · Buy It Now

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Marine macro algae hypnea - macro, algae,

Marine macro algae hypnea - macro, algae,

£16.14 · Buy It Now

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Bcuk frozen bloodworm fish - bcuk,

Bcuk frozen bloodworm fish - bcuk,

£64.99 · Buy It Now

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Aquarium fish transport bags - aquarium,

Aquarium fish transport bags - aquarium,

£5.99 · Buy It Now

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Caulerpa prolifera marine - prolifera,

Caulerpa prolifera marine - prolifera,

£5.45 · Buy It Now

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Marine macro algae dragons - macro,

Marine macro algae dragons - macro,

£12.40 · Buy It Now

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Marine aquarium live - , rock

Marine aquarium live - , rock

£15.00 · Buy It Now

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Seachem prime dechlorinator - prime,

Seachem prime dechlorinator - prime,

£134.95 · Buy It Now

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Jumpguard pro diy aquarium - pro,

Jumpguard pro diy aquarium - pro,

£46.99 · Buy It Now

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Egg crate for - aquarium, fish

Egg crate for - aquarium, fish

£2.99 · Buy It Now

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Allpondsolutions wave maker - wave,

Allpondsolutions wave maker - wave,

£13.99 · Buy It Now

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Vitalis platinum marine - vitalis,

Vitalis platinum marine - vitalis,

£99.99 · Buy It Now

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Marine fish collagen powder - fish,

Marine fish collagen powder - fish,

£15.99 · Buy It Now

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Aquaforest stone fix 5l - fix, 1l

Aquaforest stone fix 5l - fix, 1l

£14.95 · Buy It Now

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Hidom aquarium wave - hidom,

Hidom aquarium wave - hidom,

£23.95 · Buy It Now

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Jumpguard diy aquarium - jumpguard,

Jumpguard diy aquarium - jumpguard,

£9.95 · Buy It Now

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Red ogo marine - marine, algae

Red ogo marine - marine, algae

£20.00 · Buy It Now

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Instant ocean marine salt - ocean,

Instant ocean marine salt - ocean,

£57.95 · Buy It Now

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Salifert test kit - salifert, marine

Salifert test kit - salifert, marine

£9.99 · Buy It Now

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Caribsea aragalive fiji - caribsea,

Caribsea aragalive fiji - caribsea,

£25.45 · Buy It Now

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Dragon breath marine - dragon's,

Dragon breath marine - dragon's,

£14.01 · Buy It Now

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Atm colony marine nitrifying - colony,

Atm colony marine nitrifying - colony,

£28.90 · Buy It Now

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Black corrugated - ██, ██corrugated

Black corrugated - ██, ██corrugated

£121.26 · Buy It Now

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Crushed coral shell skeleton - coral,

Crushed coral shell skeleton - coral,

£109.99 · Buy It Now

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Sicce syncra pump silent - pump,

Sicce syncra pump silent - pump,

£77.45 · Buy It Now

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Jebao marine reef - marine, aquarium

Jebao marine reef - marine, aquarium

£48.99 · Buy It Now

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Seachem prime water - seachem,

Seachem prime water - seachem,

£14.99 · Buy It Now

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Jbl pro aquatest lab - pro,

Jbl pro aquatest lab - pro,

£42.30 · Buy It Now

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Fluval aquaplus aquarium tap - aquaplus,

Fluval aquaplus aquarium tap - aquaplus,

£4.95 · Buy It Now

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Hidom aquarium air pump - aquarium,

Hidom aquarium air pump - aquarium,

£9.95 · Buy It Now

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Marine macro algae refugium - macro, algae,

Marine macro algae refugium - macro, algae,

£44.00 · Buy It Now

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Kockney koi fish - koi,

Kockney koi fish - koi,

£11.99 · Buy It Now

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Reef crystals marine - reef,

Reef crystals marine - reef,

£178.95 · Buy It Now

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Square cut filter - cut, egg

Square cut filter - cut, egg

£144.99 · Buy It Now

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Black corrugated flexible - black,

Black corrugated flexible - black,

£38.95 · Buy It Now

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Hidom aquarium wave maker - hidom,

Hidom aquarium wave maker - hidom,

£14.45 · Buy It Now

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Jebao wave maker slw - wave, 10

Jebao wave maker slw - wave, 10

£74.96 · 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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Marine macro algae caulerpa - marine, algae,

Marine macro algae caulerpa - marine, algae,

£17.50 · Buy It Now

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Black corrugated flexible pond - black,

Black corrugated flexible pond - black,

£200.77 · Buy It Now

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Black corrugated flexible - flexible, pond

Black corrugated flexible - flexible, pond

£108.75 · Buy It Now

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Aquascape epoxy grey or - d-d,

Aquascape epoxy grey or - d-d,

£7.99 · Buy It Now

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Ha6 sealant silicone - ha6, rtv

Ha6 sealant silicone - ha6, rtv

£49.44 · Buy It Now

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Nyos pure marine - nyos,

Nyos pure marine - nyos,

£75.59 · Buy It Now

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Premium marine sinking - premium,

Premium marine sinking - premium,

£0.99 · Buy It Now

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Iquatics ceramic marine coral - iquatics,

Iquatics ceramic marine coral - iquatics,

£30.99 · Buy It Now

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Reef zlements trace elements - zlements,

Reef zlements trace elements - zlements,

£20.99 · Buy It Now

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Funktion pump return - funktion,

Funktion pump return - funktion,

£169.99 · Buy It Now

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Premium egg crate - premium,

Premium egg crate - premium,

£3.69 · Buy It Now

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Reef zlements complete - reef,

Reef zlements complete - reef,

£36.99 · Buy It Now

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Filter foam sponge replacement - foam,

Filter foam sponge replacement - foam,

£5.99 · Buy It Now

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Asterina starfish - asterina,

Asterina starfish - asterina,

£10.80 · Buy It Now

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Legend medi kanaex - medi, &

Legend medi kanaex - medi, &

£97.75 · Buy It Now

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Marine macro algae

Marine macro algae

£16.50 · Buy It Now

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Aquaforest reef salt - salt, marine

Aquaforest reef salt - salt, marine

£69.99 · Buy It Now

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Polyp lab reef - lab, filter

Polyp lab reef - lab, filter

£41.99 · Buy It Now

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140cm aquarium light rgb - 75-140cm,

140cm aquarium light rgb - 75-140cm,

£34.41 · Buy It Now

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Caribsea liferock fragzone - caribsea,

Caribsea liferock fragzone - caribsea,

£18.95 · Buy It Now

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Aquacadabra frozen brine - aquacadabra,

Aquacadabra frozen brine - aquacadabra,

£82.95 · Buy It Now

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Mengenal caulerpa marine - mengenal,

Mengenal caulerpa marine - mengenal,

£12.94 · Buy It Now

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Caribsea liferock 10lb box - liferock,

Caribsea liferock 10lb box - liferock,

£64.45 · Buy It Now

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Aqua one coloured gravel - aqua,

Aqua one coloured gravel - aqua,

£8.20 · Buy It Now

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Aquarium wave maker - maker, pump

Aquarium wave maker - maker, pump

£9.88 · Buy It Now

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Marine flakes fish food - flakes,

Marine flakes fish food - flakes,

£33.99 · Buy It Now

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Instant ocean marine salt - ocean,

Instant ocean marine salt - ocean,

£219.99 · Buy It Now

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Legend medi metroex - metroex, &

Legend medi metroex - metroex, &

£97.75 · Buy It Now

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Ocean nutrition prime - ocean,

Ocean nutrition prime - ocean,

£8.99 · Buy It Now

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Salifert marine all - marine, one

Salifert marine all - marine, one

£29.95 · Buy It Now

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Marine macro algae true - macro,

Marine macro algae true - macro,

£22.50 · Buy It Now

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Hidom external aquarium - hidom,

Hidom external aquarium - hidom,

£59.95 · Buy It Now

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Hidom wavemaker wave - wave, maker

Hidom wavemaker wave - wave, maker

£42.95 · Buy It Now

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Seachem prime dechlorinates - seachem,

Seachem prime dechlorinates - seachem,

£129.65 · Buy It Now

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Tropic marin all for - tropic,

Tropic marin all for - tropic,

£39.99 · Buy It Now

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Tropic marin all - tropic,

Tropic marin all - tropic,

£49.99 · Buy It Now

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Tropic marin all for - marin,

Tropic marin all for - marin,

£21.49 · Buy It Now

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Marine filter food coral zoas - marine,

Marine filter food coral zoas - marine,

£16.99 · Buy It Now

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King british bloodworm - king,

King british bloodworm - king,

£7.90 · Buy It Now

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Hikari marine fish food - hikari,

Hikari marine fish food - hikari,

£7.78 · Buy It Now

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Hidom aquarium powerhead - aquarium,

Hidom aquarium powerhead - aquarium,

£11.95 · Buy It Now

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Marine macro algae - ,, halymenia

Marine macro algae - ,, halymenia

£22.50 · Buy It Now

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Marine collagen capsules anti - marine,

Marine collagen capsules anti - marine,

£4.29 · Buy It Now

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Titanium heater elitech - heater,

Titanium heater elitech - heater,

£81.99 · Buy It Now

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Marine macro algae - ,, halimeda

Marine macro algae - ,, halimeda

£9.94 · Buy It Now

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Bubble magus curve extreme - curve,

Bubble magus curve extreme - curve,

£132.99 · Buy It Now

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Marine fish invert - marine,

Marine fish invert - marine,

£13.99 · Buy It Now

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Caribsea ocean direct natural - caribsea,

Caribsea ocean direct natural - caribsea,

£30.99 · Buy It Now

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Aquarium fish tank wave - aquarium, maker

Aquarium fish tank wave - aquarium, maker

£13.95 · Buy It Now

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Professional fish transport - professional,

Professional fish transport - professional,

£7.45 · Buy It Now

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100 bio balls sump tank - bio,

100 bio balls sump tank - bio,

£8.99 · Buy It Now

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Caribsea aragalive fiji - fiji, pink

Caribsea aragalive fiji - fiji, pink

£35.95 · Buy It Now

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Iquatics ocean reef - reef, marine

Iquatics ocean reef - reef, marine

£49.99 · Buy It Now

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Collagen powder pure marine - powder,

Collagen powder pure marine - powder,

£9.99 · Buy It Now

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Marine collagen peptides - marine,

Marine collagen peptides - marine,

£9.99 · Buy It Now

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📊96 listings · from £0.99 · avg £46.68
⚠️ These listings were last updated more than 15 days ago. Search for fresh listings

Browse 96 marine fish listings currently in our index. Prices range from £0.99 to £269.99, with an average of £46.68. 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 →

Try this: 6ft fish tank | wooden vivarium | bow front fish tank | cube aquarium | baby biorb | pond air stones | 80 litre fish tank | aquarium 4ft | bee shrimp | eheim pump

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

Everything you need to know about marine fish

Whether you are looking for a brand-new or second-hand marine fish, 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 £0.99, while premium listings can reach £269.99 — giving you a wide budget spread to work with. The average price of £46.68 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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