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Large marine fish tanks

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Large marine fish tanks for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / Large marine fish tanks refurbished & used for sale | For Sale UK
Aquarium fish tank - aquarium, cabinet

Aquarium fish tank - aquarium, cabinet

£599.99 · Buy It Now

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Natural ocean rock 20kg - natural,

Natural ocean rock 20kg - natural,

£59.95 · Buy It Now

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Hidom aquarium air pump fish - hidom,

Hidom aquarium air pump fish - hidom,

£24.99 · Buy It Now

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Reef design coral frag rack - coral,

Reef design coral frag rack - coral,

£10.79 · Buy It Now

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Aquarium 620l fish tank - tank, 72"

Aquarium 620l fish tank - tank, 72"

£585.00 · Buy It Now

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Natural ocean rock 20kg - natural, large

Natural ocean rock 20kg - natural, large

£59.69 · Buy It Now

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Alfa frozen fish - alfa, x

Alfa frozen fish - alfa, x

£15.25 · Buy It Now

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Large inch aquarium fish - inch,

Large inch aquarium fish - inch,

£8.95 · Buy It Now

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Large inch aquarium - aquarium, fish

Large inch aquarium - aquarium, fish

£6.95 · Buy It Now

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Aquarium 710l fish tank - 710l, 84"

Aquarium 710l fish tank - 710l, 84"

£785.00 · Buy It Now

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Aquarium coral rock ornament - aquarium,

Aquarium coral rock ornament - aquarium,

£19.95 · Buy It Now

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Natural large queen conch - natural,

Natural large queen conch - natural,

£19.00 · Buy It Now

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Aqua one driftwood - driftwood, bog

Aqua one driftwood - driftwood, bog

£26.99 · Buy It Now

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Anchor aquarium ornament fish - anchor,

Anchor aquarium ornament fish - anchor,

£29.99 · Buy It Now

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Made order large size - made,

Made order large size - made,

£9999.00 · Buy It Now

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Large lot reef - lot, fish

Large lot reef - lot, fish

£10.99 · Buy It Now

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Aquarium fish tank ornament - fish,

Aquarium fish tank ornament - fish,

£6.95 · Buy It Now

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Large aquarium custom size

Large aquarium custom size

£9999.00 · Buy It Now

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Aquarium 710l fish tank - aquarium, x

Aquarium 710l fish tank - aquarium, x

£790.00 · Buy It Now

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Pcs coral aquarium - aquarium, tank

Pcs coral aquarium - aquarium, tank

£14.95 · Buy It Now

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Large lot reef fish - reef, tank

Large lot reef fish - reef, tank

£7.59 · Buy It Now

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Strong marine silicone - strong,

Strong marine silicone - strong,

£9.99 · Buy It Now

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50mm inline non return - inline, valve

50mm inline non return - inline, valve

£25.49 · Buy It Now

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Natural snail shells saltwater - natural,

Natural snail shells saltwater - natural,

£11.25 · Buy It Now

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Marine fish coral shirt - marine,

Marine fish coral shirt - marine,

£9.99 · Buy It Now

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Starter bacteria aquarium - , 236

Starter bacteria aquarium - , 236

£17.99 · Buy It Now

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Custom order marine - custom, tropical

Custom order marine - custom, tropical

£9999.00 · Buy It Now

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Starter bacteria aquarium 236

Starter bacteria aquarium 236

£12.81 · Buy It Now

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Large vintage horned queen - vintage,

Large vintage horned queen - vintage,

£42.30 · Buy It Now

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Large breeding aquarium fish - large,

Large breeding aquarium fish - large,

£13.71 · Buy It Now

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Aquarium fish cave home - fish,

Aquarium fish cave home - fish,

£13.46 · Buy It Now

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Large glass terrarium for - large,

Large glass terrarium for - large,

£38.01 · Buy It Now

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Large aquarium made order - aquarium,

Large aquarium made order - aquarium,

£5999.00 · Buy It Now

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Kessil reef saltwater - kessil,

Kessil reef saltwater - kessil,

£13.46 · Buy It Now

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Hidom magnetic aquarium glass - hidom,

Hidom magnetic aquarium glass - hidom,

£10.95 · Buy It Now

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Saltwateraquarium com marine - saltwateraquarium.com,

Saltwateraquarium com marine - saltwateraquarium.com,

£13.46 · Buy It Now

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Eye catching coral - eye,

Eye catching coral - eye,

£13.46 · Buy It Now

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Reef palooza saltwater - reef, a

Reef palooza saltwater - reef, a

£13.46 · Buy It Now

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Large art glass marine - glass, on

Large art glass marine - glass, on

£30.52 · Buy It Now

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Large size shell - large,

Large size shell - large,

£22.41 · Buy It Now

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Coral rock interesting - coral,

Coral rock interesting - coral,

£9.73 · Buy It Now

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Coral rock interesting - interesting, large

Coral rock interesting - interesting, large

£11.87 · Buy It Now

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Red sea reef - sea,

Red sea reef - sea,

£13.46 · Buy It Now

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Red sea reefer - red,

Red sea reefer - red,

£9.99 · Buy It Now

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Love aquarium visits - aquarium, t-shirt

Love aquarium visits - aquarium, t-shirt

£15.99 · Buy It Now

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Hidom aquarium magnetic - hidom,

Hidom aquarium magnetic - hidom,

£8.95 · Buy It Now

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Ask anything about aquarium - ask,

Ask anything about aquarium - ask,

£15.99 · Buy It Now

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Navy gold fish print - navy, l

Navy gold fish print - navy, l

£10.05 · Buy It Now

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Large fish tank - large,

Large fish tank - large,

£52.70 · Buy It Now

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Ask anything about aquarium - about,

Ask anything about aquarium - about,

£15.99 · Buy It Now

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Love aquarium setup shirt - i,

Love aquarium setup shirt - i,

£15.99 · Buy It Now

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Current usa reef - current,

Current usa reef - current,

£13.46 · Buy It Now

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Sigma chi fraternity - sigma,

Sigma chi fraternity - sigma,

£22.43 · Buy It Now

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Sea reef aquaculture - sea,

Sea reef aquaculture - sea,

£13.46 · Buy It Now

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Brine shrimp eggs hatcher - brine,

Brine shrimp eggs hatcher - brine,

£8.70 · Buy It Now

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Yellow tangs reef saltwater - yellow,

Yellow tangs reef saltwater - yellow,

£13.46 · Buy It Now

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Phi kappa tau fraternity - kappa,

Phi kappa tau fraternity - kappa,

£26.02 · Buy It Now

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Kappa alpha fraternity - alpha,

Kappa alpha fraternity - alpha,

£17.95 · Buy It Now

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Delta chi fraternity - delta,

Delta chi fraternity - delta,

£26.02 · Buy It Now

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Kappa phi fraternity bella - pi,

Kappa phi fraternity bella - pi,

£21.54 · Buy It Now

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Reef palooza saltwater - palooza,

Reef palooza saltwater - palooza,

£13.46 · Buy It Now

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Marine animal mini statue - mini,

Marine animal mini statue - mini,

£11.99 · Buy It Now

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Huk racerback twisted - twisted, rope

Huk racerback twisted - twisted, rope

£12.57 · Buy It Now

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Got salt reef saltwater - got,

Got salt reef saltwater - got,

£13.46 · Buy It Now

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Bio balls aquaponics aquarium - balls,

Bio balls aquaponics aquarium - balls,

£75.38 · Buy It Now

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Lulu tank top large - tank, blue

Lulu tank top large - tank, blue

£24.21 · Buy It Now

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Rods food reef saltwater - rods,

Rods food reef saltwater - rods,

£13.46 · Buy It Now

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Durable 25w submersible water - 25w,

Durable 25w submersible water - 25w,

£28.99 · Buy It Now

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Powerful canister filter - powerful, uv

Powerful canister filter - powerful, uv

£95.74 · Buy It Now

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Yellow tangs reef saltwater - yellow,

Yellow tangs reef saltwater - yellow,

£16.96 · Buy It Now

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Yellow tangs reef saltwater - reef,

Yellow tangs reef saltwater - reef,

£14.36 · Buy It Now

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Respect the locals women s - |, women's

Respect the locals women s - |, women's

£19.75 · Buy It Now

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Columbia pfg y2k - pfg, womens

Columbia pfg y2k - pfg, womens

£35.91 · Buy It Now

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Large sea shell lot - shell,

Large sea shell lot - shell,

£20.19 · Buy It Now

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Red betta brooch pendant - betta,

Red betta brooch pendant - betta,

£16.15 · Buy It Now

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Rods food reef - food, saltwater

Rods food reef - food, saltwater

£13.46 · Buy It Now

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Guy harvey pink marlin fishing - harvey,

Guy harvey pink marlin fishing - harvey,

£16.16 · Buy It Now

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Lilly pulitzer bailey tank top - tank,

Lilly pulitzer bailey tank top - tank,

£26.89 · Buy It Now

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Large lbs lot - large, sea

Large lbs lot - large, sea

£80.75 · Buy It Now

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Sportelle green embroidered - sportelle,

Sportelle green embroidered - sportelle,

£9.11 · Buy It Now

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Pcs aquarium fish tank - 12,

Pcs aquarium fish tank - 12,

£66.42 · Buy It Now

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Guy harvey marlin muscle tank - guy,

Guy harvey marlin muscle tank - guy,

£17.58 · Buy It Now

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Rare nice meet you - rare,

Rare nice meet you - rare,

£22.12 · Buy It Now

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Vintage nags head pro - pro, dive

Vintage nags head pro - pro, dive

£20.73 · Buy It Now

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Vintage zip code - vintage, dress

Vintage zip code - vintage, dress

£20.56 · Buy It Now

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Bulk reef supply brstv - reef,

Bulk reef supply brstv - reef,

£13.46 · Buy It Now

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Reef palooza saltwater - reef, a

Reef palooza saltwater - reef, a

£13.46 · Buy It Now

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Larry reef services lrs - larry’s,

Larry reef services lrs - larry’s,

£13.46 · Buy It Now

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Yellow tangs reef saltwater - yellow,

Yellow tangs reef saltwater - yellow,

£14.36 · Buy It Now

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Large conch seashell - large, shell

Large conch seashell - large, shell

£86.18 · Buy It Now

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White large finger branch - white,

White large finger branch - white,

£15.14 · Buy It Now

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Vtg 90s emerald - 90s,

Vtg 90s emerald - 90s,

£13.46 · Buy It Now

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Vintage 1992 signal sports - vintage,

Vintage 1992 signal sports - vintage,

£17.06 · Buy It Now

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Large lambis spider - lambis, conch

Large lambis spider - lambis, conch

£30.52 · Buy It Now

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Large conch sea shells for - large,

Large conch sea shells for - large,

£31.84 · Buy It Now

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Miami south beach - south,

Miami south beach - south,

£13.44 · Buy It Now

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📊96 listings · from £6.95 · avg £424
⚠️ These listings were last updated more than 14 days ago. Search for fresh listings

Browse 96 large marine fish tanks listings currently in our index. Prices range from £6.95 to £9999, with an average of £424. 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 large marine fish tanks →

Try this: sump refugium | aquarium glass | cylinder fish tank | clearseal tank | hailea water pump | 3 foot fish tank | 2 foot fish tank | 4ft juwel fish tank | 100l fish tank | 4ft glass tank

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Everything you need to know about large marine fish tanks

Whether you are looking for a brand-new or second-hand large marine fish tanks, 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 £6.95, while premium listings can reach £9999 — giving you a wide budget spread to work with. The average price of £424 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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