For Sale UK

Saltwater marine fish

4

Saltwater marine fish for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Saltwater marine fish refurbished & used for sale | For Sale UK
Dragon breath marine - dragon's,

Dragon breath marine - dragon's,

£21.49
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Hikari marine fish - hikari, food

Hikari marine fish - hikari, food

£8.19
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Vastocean coral cutter with - vastocean,

Vastocean coral cutter with - vastocean,

£14.52
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Prime 16hd reef - reef, led

Prime 16hd reef - reef, led

£78.70
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Iquatics ocean reef pro marine - iquatics,

Iquatics ocean reef pro marine - iquatics,

£49.99
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Salifert test kit marine - -,

Salifert test kit marine - -,

£12.89
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Tmc salifert profi test - salifert,

Tmc salifert profi test - salifert,

£14.39
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Iquatics ocean reef pro marine - reef,

Iquatics ocean reef pro marine - reef,

£31.99
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Aquarium samoa coral sand 5kg - aquarium,

Aquarium samoa coral sand 5kg - aquarium,

£42.95
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Salifert profi test kit range - salifert,

Salifert profi test kit range - salifert,

£12.95
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Salifert flatworm exit reef - exit,

Salifert flatworm exit reef - exit,

£19.95
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Nutri sea water gallons - nutri-sea, 4.4

Nutri sea water gallons - nutri-sea, 4.4

£36.95
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Salifert profi test - test, kit

Salifert profi test - test, kit

£10.25
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Aqua one stripglo - aqua,

Aqua one stripglo - aqua,

£65.99
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Api saltwater master test kit - api,

Api saltwater master test kit - api,

£24.46
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Reeflowers caledonia sea water - caledonia,

Reeflowers caledonia sea water - caledonia,

£32.99
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Saltwater marine fish nemo - marine, /

Saltwater marine fish nemo - marine, /

£5.44
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Salifert marine all - salifert, in

Salifert marine all - salifert, in

£14.20
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Fluval sea salt hydrometer - fluval,

Fluval sea salt hydrometer - fluval,

£9.65
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Seachem reef calcium - calcium, marine

Seachem reef calcium - calcium, marine

£13.31
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Aquaforest carbon marine - carbon,

Aquaforest carbon marine - carbon,

£15.99
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Hikari marine 50g sinking - hikari, s

Hikari marine 50g sinking - hikari, s

£8.25
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Salifert silicate profi test - salifert,

Salifert silicate profi test - salifert,

£12.45
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Salifert test kit - salifert, set

Salifert test kit - salifert, set

£34.95
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Waterlife hydrometer - waterlife,

Waterlife hydrometer - waterlife,

£8.49
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Tropic marin lugols solution - marin,

Tropic marin lugols solution - marin,

£7.58
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Labs marine lab test - nt,

Labs marine lab test - nt,

£10.49
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Salifert nitrate no3 test kit - salifert,

Salifert nitrate no3 test kit - salifert,

£12.59
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Salifert test kit set - kit, marine

Salifert test kit set - kit, marine

£28.99
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Marine fish authoritative - marine,

Marine fish authoritative - marine,

£3.56
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Fmf aquarium artemia saltwater - fmf,

Fmf aquarium artemia saltwater - fmf,

£12.49
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Api master saltwater - master, kit

Api master saltwater - master, kit

£29.99
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Hikari marine pellets - hikari,

Hikari marine pellets - hikari,

£8.49
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Salifert oxygen profi test - salifert, o2

Salifert oxygen profi test - salifert, o2

£11.70
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Api saltwater marine aquarium - api,

Api saltwater marine aquarium - api,

£31.99
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Salifert alkalinity test - /,

Salifert alkalinity test - /,

£11.49
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Seachem reef plus complete - reef,

Seachem reef plus complete - reef,

£19.55
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Saltwater fish species hoodie - species,

Saltwater fish species hoodie - species,

£25.99
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Saltwater fish species - fish,

Saltwater fish species - fish,

£14.99
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Aquadip frozen marine - aquadip, 500g

Aquadip frozen marine - aquadip, 500g

£15.99
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3kg biohome marine ultimate - -,

3kg biohome marine ultimate - -,

£55.99
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Barracuda girl gift - barracuda,

Barracuda girl gift - barracuda,

£14.99
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Reef zlements icp - zlements, saltwater

Reef zlements icp - zlements, saltwater

£32.99
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Seachem carbonate complete - carbonate,

Seachem carbonate complete - carbonate,

£9.52
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Fmf aquarium artemia - fmf,

Fmf aquarium artemia - fmf,

£7.99
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Barracuda girl gift for - gift, women

Barracuda girl gift for - gift, women

£25.99
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Reef zlements advanced - reef,

Reef zlements advanced - reef,

£39.99
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Fluval sea evo 52l - sea, marine

Fluval sea evo 52l - sea, marine

£144.99
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25mm fishing rod - fishing,

25mm fishing rod - fishing,

£12.98
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Labs marine lab - nt,

Labs marine lab - nt,

£9.95
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Marine aquarium salinity - marine,

Marine aquarium salinity - marine,

£22.49
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Waterlife buffer 2 8 - waterlife,

Waterlife buffer 2 8 - waterlife,

£9.99
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Marine fish authoritative - marine, fish:

Marine fish authoritative - marine, fish:

£3.40
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Seachem reef complete marine - reef,

Seachem reef complete marine - reef,

£16.62
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Triton icp oes seawater - icp-oes,

Triton icp oes seawater - icp-oes,

£38.59
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Seaweed green 30g free - seaweed,

Seaweed green 30g free - seaweed,

£12.97
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Seachem metroplex 0 2 - 5, /

Seachem metroplex 0 2 - 5, /

£14.01
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Asf instant ocean - instant,

Asf instant ocean - instant,

£59.99
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Ha6 bond sealant silicone - ha6,

Ha6 bond sealant silicone - ha6,

£7.99
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Nori leaf feeder - feeder, –

Nori leaf feeder - feeder, –

£11.87
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Salifert silicate profi test - salifert,

Salifert silicate profi test - salifert,

£14.65
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Aquadip frozen marine - aquadip,

Aquadip frozen marine - aquadip,

£4.99
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Asf reef crystals 20kg box - 20kg, (10

Asf reef crystals 20kg box - 20kg, (10

£67.99
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Api saltwater master - saltwater, kit

Api saltwater master - saltwater, kit

£29.99
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Resin filter media aquarium - filter,

Resin filter media aquarium - filter,

£8.99
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Marine fish food large - fish,

Marine fish food large - fish,

£2.95
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Aquarian algae wafers pleco - algae,

Aquarian algae wafers pleco - algae,

£11.79
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5kg biohome marine ultimate - 5kg,

5kg biohome marine ultimate - 5kg,

£89.95
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Seachem reef trace complete - seachem,

Seachem reef trace complete - seachem,

£10.65
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Ha6 silicone sealant rtv - -,

Ha6 silicone sealant rtv - -,

£9.39
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Aquarium salinity - aquarium,

Aquarium salinity - aquarium,

£13.99
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Cloverleaf absolute marine - absolute,

Cloverleaf absolute marine - absolute,

£13.29
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Api calcium aquarium salt - api,

Api calcium aquarium salt - api,

£11.65
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2pcs fish tank - fish,

2pcs fish tank - fish,

£8.14
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Marine fish saltwater soul - marine,

Marine fish saltwater soul - marine,

£15.99
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Ultimate marine aquariums - ultimate,

Ultimate marine aquariums - ultimate,

£14.00
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Salinity refractometer - 0-28%,

Salinity refractometer - 0-28%,

£12.99
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Premium marine reef glue - marine,

Premium marine reef glue - marine,

£13.55
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Ammonia block marine - rp,

Ammonia block marine - rp,

£23.95
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Reef zlements icp - zlements, saltwater

Reef zlements icp - zlements, saltwater

£84.99
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Marine fishing soft saltwater - marine,

Marine fishing soft saltwater - marine,

£10.80
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Aquadip frozen krill pacifica - frozen,

Aquadip frozen krill pacifica - frozen,

£15.99
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Tunze comline streamfilter - tunze,

Tunze comline streamfilter - tunze,

£109.99
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Tuvalu 2017 saltwater rays - saltwater,

Tuvalu 2017 saltwater rays - saltwater,

£7.75
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Seachem reef trace - seachem, 500ml

Seachem reef trace - seachem, 500ml

£22.19
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Salifert test kh - test, ca

Salifert test kh - test, ca

£6.52
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Salifert test kit set - salifert,

Salifert test kit set - salifert,

£22.99
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Reef life salty hands - life,

Reef life salty hands - life,

£15.99
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Api saltwater master - test, kit

Api saltwater master - test, kit

£28.49
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Salinity checked marine fish - checked,

Salinity checked marine fish - checked,

£15.99
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Seachem reef strontium - seachem,

Seachem reef strontium - seachem,

£17.87
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Saltwater fish salty attitude - saltwater,

Saltwater fish salty attitude - saltwater,

£15.99
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Vials prodibio iodi - prodibio, +

Vials prodibio iodi - prodibio, +

£14.99
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Api test kits - kits, water

Api test kits - kits, water

£30.99
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Pride saltwater marine discus - saltwater,

Pride saltwater marine discus - saltwater,

£31.75
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Saltwater angelfish marine - saltwater,

Saltwater angelfish marine - saltwater,

£22.00
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Looking for more saltwater marine fish?

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📊96 listings · from £2.95 · avg £23.49
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 96 saltwater marine fish listings currently in our index. Prices range from £2.95 to £144.99, with an average of £23.49. 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 saltwater marine fish →

Try this: sea anemone | small aquarium | small glass fish tank | tropical fish tank fish | white fish tank | white fish tank stand | l46 zebra pleco | rose bubble tip anemone | fluval profile | optiwhite

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Everything you need to know about saltwater marine fish

Whether you are looking for a brand-new or second-hand saltwater 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 £2.95, while premium listings can reach £144.99 — giving you a wide budget spread to work with. The average price of £23.49 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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