For Sale UK

Marine fish

4

Marine fish for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Marine fish refurbished & used for sale | For Sale UK
Dragons breath marine - breath, macro

Dragons breath marine - breath, macro

£16.15
Buy It Now

» View on eBay #sponsored
Dragon breath marine - dragon's,

Dragon breath marine - dragon's,

£21.49
Buy It Now

» View on eBay #sponsored
Marine collagen powder 10000mg - collagen,

Marine collagen powder 10000mg - collagen,

£22.95
Buy It Now

» View on eBay #sponsored
Marine macro algae dragons - macro,

Marine macro algae dragons - macro,

£20.00
Buy It Now

» View on eBay #sponsored
Marine macro algae hypnea - marine,

Marine macro algae hypnea - marine,

£15.99
Buy It Now

» View on eBay #sponsored
Neon blue candy - neon, trumpet

Neon blue candy - neon, trumpet

£37.10
Buy It Now

» View on eBay #sponsored
Fluval evo marine - evo, 13.5

Fluval evo marine - evo, 13.5

£350.00
Buy It Now

» View on eBay #sponsored
Mystery marine macro algae - macro,

Mystery marine macro algae - macro,

£42.30
Buy It Now

» View on eBay #sponsored
Mystery marine macro - macro, algae

Mystery marine macro - macro, algae

£16.36
Buy It Now

» View on eBay #sponsored
Mystery marine macro - mystery, algae

Mystery marine macro - mystery, algae

£26.70
Buy It Now

» View on eBay #sponsored
Marine macroalgae frag macro - marine, |

Marine macroalgae frag macro - marine, |

£6.99
Buy It Now

» View on eBay #sponsored
Grade natural live rock - grade,

Grade natural live rock - grade,

£16.00
Buy It Now

» View on eBay #sponsored
Marine aquarium live rock

Marine aquarium live rock

£15.00
Buy It Now

» View on eBay #sponsored
Marine fish tank circulation - marine,

Marine fish tank circulation - marine,

£113.29
Buy It Now

» View on eBay #sponsored
Jebao tsp variflow pond pump - tsp,

Jebao tsp variflow pond pump - tsp,

£149.99
Buy It Now

» View on eBay #sponsored
Marine fish tank circulation - tank,

Marine fish tank circulation - tank,

£69.92
Buy It Now

» View on eBay #sponsored
Drill aluminum suction - suction, cup

Drill aluminum suction - suction, cup

£64.88
Buy It Now

» View on eBay #sponsored
Marine macro algae dragons - algae,

Marine macro algae dragons - algae,

£12.40
Buy It Now

» View on eBay #sponsored
Caulerpa prolifera macro - caulerpa, algae

Caulerpa prolifera macro - caulerpa, algae

£16.00
Buy It Now

» View on eBay #sponsored
Red ogo gracilaria macroalgae - ogo,

Red ogo gracilaria macroalgae - ogo,

£13.99
Buy It Now

» View on eBay #sponsored
Tunze care marine reef algae - tunze,

Tunze care marine reef algae - tunze,

£12.94
Buy It Now

» View on eBay #sponsored
Marine macro algae

Marine macro algae

£16.50
Buy It Now

» View on eBay #sponsored
Atm colony marine nitrifying - -,

Atm colony marine nitrifying - -,

£94.99
Buy It Now

» View on eBay #sponsored
Caulerpa cylindracea red grape - caulerpa,

Caulerpa cylindracea red grape - caulerpa,

£15.00
Buy It Now

» View on eBay #sponsored
Redsea marine reef - redsea,

Redsea marine reef - redsea,

£16.15
Buy It Now

» View on eBay #sponsored
Hidom aquarium wave maker - aquarium,

Hidom aquarium wave maker - aquarium,

£14.45
Buy It Now

» View on eBay #sponsored
100 sheets grade nori - grade,

100 sheets grade nori - grade,

£6.89
Buy It Now

» View on eBay #sponsored
Bcuk frozen fish food - bcuk,

Bcuk frozen fish food - bcuk,

£1.99
Buy It Now

» View on eBay #sponsored
Marine collagen powder - collagen, 70

Marine collagen powder - collagen, 70

£23.99
Buy It Now

» View on eBay #sponsored
Marine collagen powder - marine, (fish)

Marine collagen powder - marine, (fish)

£46.99
Buy It Now

» View on eBay #sponsored
Litre nannochloropsis - litre,

Litre nannochloropsis - litre,

£8.00
Buy It Now

» View on eBay #sponsored
Marine macro algae - , dragons

Marine macro algae - , dragons

£12.80
Buy It Now

» View on eBay #sponsored
Instant ocean marine salt - marine,

Instant ocean marine salt - marine,

£57.95
Buy It Now

» View on eBay #sponsored
Marine macro algae - , dragons

Marine macro algae - , dragons

£9.80
Buy It Now

» View on eBay #sponsored
Marine macro algae - ,, halimeda

Marine macro algae - ,, halimeda

£7.00
Buy It Now

» View on eBay #sponsored
Marine phytoplankton species - 3,

Marine phytoplankton species - 3,

£6.51
Buy It Now

» View on eBay #sponsored
Codium macro algae for marine - codium,

Codium macro algae for marine - codium,

£11.00
Buy It Now

» View on eBay #sponsored
Herons marine pellets - marine,

Herons marine pellets - marine,

£0.99
Buy It Now

» View on eBay #sponsored
Marine collagen peptides - marine,

Marine collagen peptides - marine,

£9.99
Buy It Now

» View on eBay #sponsored
Collagen powder pure - pure, marine

Collagen powder pure - pure, marine

£9.99
Buy It Now

» View on eBay #sponsored
Marine macro algae - ,, halymenia

Marine macro algae - ,, halymenia

£22.50
Buy It Now

» View on eBay #sponsored
Ocean nutrition prime reef - ocean,

Ocean nutrition prime reef - ocean,

£12.85
Buy It Now

» View on eBay #sponsored
Caribsea aragalive fiji - fiji, pink

Caribsea aragalive fiji - fiji, pink

£36.99
Buy It Now

» View on eBay #sponsored
Jebao marine reef aquarium - marine,

Jebao marine reef aquarium - marine,

£54.99
Buy It Now

» View on eBay #sponsored
Popbloom rl60 rl90 - popbloom, wifi

Popbloom rl60 rl90 - popbloom, wifi

£74.94
Buy It Now

» View on eBay #sponsored
Salifert test kit - -, marine

Salifert test kit - -, marine

£11.89
Buy It Now

» View on eBay #sponsored
Allpondsolutions wave maker - allpondsolutions,

Allpondsolutions wave maker - allpondsolutions,

£22.99
Buy It Now

» View on eBay #sponsored
Marine macroalgae for refugium - marine,

Marine macroalgae for refugium - marine,

£4.95
Buy It Now

» View on eBay #sponsored
Filter floss wool - filter, roll

Filter floss wool - filter, roll

£9.99
Buy It Now

» View on eBay #sponsored
Marine refugium led light - marine,

Marine refugium led light - marine,

£24.99
Buy It Now

» View on eBay #sponsored
Kessil a160we led marine - kessil,

Kessil a160we led marine - kessil,

£78.70
Buy It Now

» View on eBay #sponsored
Caribsea life rock - caribsea, real

Caribsea life rock - caribsea, real

£143.99
Buy It Now

» View on eBay #sponsored
Marine aquarium nori - marine,

Marine aquarium nori - marine,

£3.99
Buy It Now

» View on eBay #sponsored
Crushed coral free mesh - +🔥free,

Crushed coral free mesh - +🔥free,

£3.10
Buy It Now

» View on eBay #sponsored
Sicce syncra pump - syncra, silent

Sicce syncra pump - syncra, silent

£53.99
Buy It Now

» View on eBay #sponsored
Caribsea ocean direct natural - caribsea,

Caribsea ocean direct natural - caribsea,

£30.99
Buy It Now

» View on eBay #sponsored
Marine macro algae halymenia - marine,

Marine macro algae halymenia - marine,

£32.50
Buy It Now

» View on eBay #sponsored
4mm air line - air,

4mm air line - air,

£1.99
Buy It Now

» View on eBay #sponsored
3000l marine aquarium - marine, wave

3000l marine aquarium - marine, wave

£12.99
Buy It Now

» View on eBay #sponsored
Hanna phosphate checker marine - phosphate,

Hanna phosphate checker marine - phosphate,

£37.10
Buy It Now

» View on eBay #sponsored
External aquarium canister - external,

External aquarium canister - external,

£79.99
Buy It Now

» View on eBay #sponsored
Hidom external aquarium filter - hidom,

Hidom external aquarium filter - hidom,

£59.95
Buy It Now

» View on eBay #sponsored
Marine flakes fish food - marine,

Marine flakes fish food - marine,

£19.59
Buy It Now

» View on eBay #sponsored
Popbloom rl90 led - x2,

Popbloom rl90 led - x2,

£205.00
Buy It Now

» View on eBay #sponsored
Jumpguard diy aquarium - d-d,

Jumpguard diy aquarium - d-d,

£8.99
Buy It Now

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

Filter floss wool - foam, media

£10.95
Buy It Now

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

Egg crate for aquarium fish - for,

£7.49
Buy It Now

» View on eBay #sponsored
Aquarium fish transport - aquarium, bags

Aquarium fish transport - aquarium, bags

£5.99
Buy It Now

» View on eBay #sponsored
Marine fish collagen powder - powder,

Marine fish collagen powder - powder,

£5.49
Buy It Now

» View on eBay #sponsored
Instant ocean marine salt - ocean,

Instant ocean marine salt - ocean,

£110.00
Buy It Now

» View on eBay #sponsored
Herons spirulina algae wafers - spirulina,

Herons spirulina algae wafers - spirulina,

£15.90
Buy It Now

» View on eBay #sponsored
Ocean nutrition formula one - nutrition,

Ocean nutrition formula one - nutrition,

£12.75
Buy It Now

» View on eBay #sponsored
Herons premium algae wafers - herons,

Herons premium algae wafers - herons,

£2.40
Buy It Now

» View on eBay #sponsored
Marine macro algae dragons - marine,

Marine macro algae dragons - marine,

£6.80
Buy It Now

» View on eBay #sponsored
Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£2.79
Buy It Now

» View on eBay #sponsored
Dry ocean reef rock - ocean, 20kg

Dry ocean reef rock - ocean, 20kg

£62.99
Buy It Now

» View on eBay #sponsored
Caribsea liferock fragzone - liferock,

Caribsea liferock fragzone - liferock,

£18.95
Buy It Now

» View on eBay #sponsored
Caulerpa cylindracea green - cylindracea,

Caulerpa cylindracea green - cylindracea,

£6.95
Buy It Now

» View on eBay #sponsored
Fluval sea evo 52l marine - sea,

Fluval sea evo 52l marine - sea,

£144.99
Buy It Now

» View on eBay #sponsored
Alfa frozen fish food 100g - frozen,

Alfa frozen fish food 100g - frozen,

£15.25
Buy It Now

» View on eBay #sponsored
Tmc salifert profi test kit - salifert,

Tmc salifert profi test kit - salifert,

£12.19
Buy It Now

» View on eBay #sponsored
Premium marine sinking - marine,

Premium marine sinking - marine,

£3.09
Buy It Now

» View on eBay #sponsored
Chemi clean cyanobacteria - chemi-clean,

Chemi clean cyanobacteria - chemi-clean,

£34.85
Buy It Now

» View on eBay #sponsored
Julian sprung sea - sprung's,

Julian sprung sea - sprung's,

£7.75
Buy It Now

» View on eBay #sponsored
Aquaforest reef salt marine - aquaforest,

Aquaforest reef salt marine - aquaforest,

£36.90
Buy It Now

» View on eBay #sponsored
Iquatics ocean reef pro - ocean,

Iquatics ocean reef pro - ocean,

£49.99
Buy It Now

» View on eBay #sponsored
Nori seaweed marine - marine, 50

Nori seaweed marine - marine, 50

£12.40
Buy It Now

» View on eBay #sponsored
Blood worms fish food freeze - blood,

Blood worms fish food freeze - blood,

£5.99
Buy It Now

» View on eBay #sponsored
Lcd digital thermometer - lcd,

Lcd digital thermometer - lcd,

£2.74
Buy It Now

» View on eBay #sponsored
Ocean nutrition marine flakes - ocean,

Ocean nutrition marine flakes - ocean,

£8.99
Buy It Now

» View on eBay #sponsored
Reef zlements icp aquarium - zlements,

Reef zlements icp aquarium - zlements,

£21.50
Buy It Now

» View on eBay #sponsored
Aquacadabra frozen brine - aquacadabra,

Aquacadabra frozen brine - aquacadabra,

£25.95
Buy It Now

» View on eBay #sponsored
Vintage hand tooled leather - hand-tooled,

Vintage hand tooled leather - hand-tooled,

£220.23
Buy It Now

» View on eBay #sponsored
Api prevent algae - 237ml, marine

Api prevent algae - 237ml, marine

£9.79
Buy It Now

» View on eBay #sponsored
Ati essentials pro marine reef - pro,

Ati essentials pro marine reef - pro,

£89.91
Buy It Now

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

Marine tank return water pump - marine,

£83.89
Buy It Now

» View on eBay #sponsored

Looking for more marine fish?

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

🔍 Search live deals
📊96 listings · from £0.99 · avg £36.85
⚠️ These listings were last updated more than 11 days ago. Search for fresh listings

Browse 96 marine fish listings currently in our index. Prices range from £0.99 to £350, with an average of £36.85. 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: oak tank | bow front fish tank | cube aquarium | baby biorb | koi carp chagoi | marine aquarium live rock | 80 litre fish tank | aquarium 4ft | biorb life 60 | large aquarium fish tank

Shop by budget

< £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 £350 — giving you a wide budget spread to work with. The average price of £36.85 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 fish Search live on eBay