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Fish tanks

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Fish tanks for sale on Ireland's largest auction and classifieds sites

Diversa aquarium fish tank - fish,

Diversa aquarium fish tank - fish,

€279.99 · Buy It Now

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Co2 carbon dioxide - co2,

Co2 carbon dioxide - co2,

€16.49 · Buy It Now

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Swell small aquarium 60cm - small,

Swell small aquarium 60cm - small,

€77.99 · Buy It Now

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2kg co2 fire - 2kg,

2kg co2 fire - 2kg,

€15.95 · Buy It Now

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Diversa aquarium fish - diversa,

Diversa aquarium fish - diversa,

€355.99 · Buy It Now

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Fish tank complete - complete, &

Fish tank complete - complete, &

€167.05 · Buy It Now

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20l aquarium fish tank - aquarium, with

20l aquarium fish tank - aquarium, with

€29.99 · Buy It Now

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Compact betta fish - betta,

Compact betta fish - betta,

€22.99 · Buy It Now

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Swell aquarium 60cm tropical - swell,

Swell aquarium 60cm tropical - swell,

€94.99 · Buy It Now

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Brand new fish tank - **brand, new**

Brand new fish tank - **brand, new**

€125.49 · Buy It Now

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Large fish tank aquarium - aquarium, &

Large fish tank aquarium - aquarium, &

€237.95 · Buy It Now

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Large fish tank aquarium - fish,

Large fish tank aquarium - fish,

€179.95 · Buy It Now

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Aquarium fish tank from - aquarium,

Aquarium fish tank from - aquarium,

€265.99 · Buy It Now

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Electric gravel vacuum cleaner - vacuum,

Electric gravel vacuum cleaner - vacuum,

€34.99 · Buy It Now

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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

€59.99 · Buy It Now

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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

€84.99 · Buy It Now

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Ciano aqua classic - ciano, 20

Ciano aqua classic - ciano, 20

€39.45 · Buy It Now

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Diversa aquarium with stand - aquarium,

Diversa aquarium with stand - aquarium,

€335.99 · Buy It Now

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Swell glass aquarium 30cm - swell, –

Swell glass aquarium 30cm - swell, –

€30.99 · Buy It Now

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Aquael glass aquarium fish - aquael,

Aquael glass aquarium fish - aquael,

€54.99 · Buy It Now

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Oase biorb classic mcr - oase,

Oase biorb classic mcr - oase,

€132.95 · Buy It Now

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Diversa aquarium with - with, stand

Diversa aquarium with - with, stand

€245.99 · Buy It Now

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Diversa aquarium with stand - with,

Diversa aquarium with stand - with,

€389.99 · Buy It Now

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Hidom internal fish tank - internal,

Hidom internal fish tank - internal,

€9.95 · Buy It Now

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Allpondsolutions ultra clear - ultra,

Allpondsolutions ultra clear - ultra,

€39.99 · Buy It Now

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Swell led complete - swell,

Swell led complete - swell,

€94.99 · Buy It Now

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Aqua one platform aquarium - platform, 21

Aqua one platform aquarium - platform, 21

€79.45 · Buy It Now

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245l 120cm black tropical fish - 245l,

245l 120cm black tropical fish - 245l,

€429.99 · Buy It Now

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Brand new fish - new**, tank

Brand new fish - new**, tank

€179.99 · Buy It Now

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Fish tank aquarium - aquarium, optional

Fish tank aquarium - aquarium, optional

€139.99 · Buy It Now

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Swell small aquarium 25cm - swell,

Swell small aquarium 25cm - swell,

€52.99 · Buy It Now

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Hepo aquarium heater - heater, tank

Hepo aquarium heater - heater, tank

€10.99 · Buy It Now

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Small nano aquarium - aquarium, tank

Small nano aquarium - aquarium, tank

€34.99 · Buy It Now

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Brand new large glass - large,

Brand new large glass - large,

€187.90 · Buy It Now

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Fluval flex led aquarium - led,

Fluval flex led aquarium - led,

€129.99 · Buy It Now

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Interpet goldfish aquarium - interpet, 16

Interpet goldfish aquarium - interpet, 16

€21.99 · Buy It Now

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Swell small aquarium 38cm - 38cm, 37

Swell small aquarium 38cm - 38cm, 37

€52.99 · Buy It Now

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Aquael hexa 60l tropical - aquael, fish

Aquael hexa 60l tropical - aquael, fish

€149.99 · Buy It Now

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Aquarium fish tank submersible - tank,

Aquarium fish tank submersible - tank,

€10.99 · Buy It Now

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Aquarium mini fish tank - mini,

Aquarium mini fish tank - mini,

€31.30 · Buy It Now

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Led glass aquarium - led,

Led glass aquarium - led,

€29.95 · Buy It Now

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250g java moss carpet - 5g,

250g java moss carpet - 5g,

€35.00 · Buy It Now

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Plastic aquarium fish tank - plastic,

Plastic aquarium fish tank - plastic,

€8.99 · Buy It Now

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Aquarium sand fish tank - sand,

Aquarium sand fish tank - sand,

€39.99 · Buy It Now

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Small starter aquarium fish - small,

Small starter aquarium fish - small,

€34.99 · Buy It Now

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Marina lux led 38l - led,

Marina lux led 38l - led,

€73.47 · Buy It Now

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Hidom external aquarium - external,

Hidom external aquarium - external,

€10.95 · Buy It Now

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Aqua one betta sanctuary - aqua,

Aqua one betta sanctuary - aqua,

€69.99 · Buy It Now

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Small nano curve aquarium - small,

Small nano curve aquarium - small,

€69.99 · Buy It Now

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Seachem stability establish - seachem,

Seachem stability establish - seachem,

€68.99 · Buy It Now

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Fluval spec aquarium 10l 19l - 10l, /

Fluval spec aquarium 10l 19l - 10l, /

€104.95 · Buy It Now

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Tetra aquasafe 100ml 250ml - 100ml,

Tetra aquasafe 100ml 250ml - 100ml,

€31.99 · Buy It Now

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20l aquarium fish tank with - aquarium,

20l aquarium fish tank with - aquarium,

€29.99 · Buy It Now

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Marina 360 spare - 360,

Marina 360 spare - 360,

€24.99 · Buy It Now

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Compact 12h 10w - 10w, betta

Compact 12h 10w - 10w, betta

€12.95 · Buy It Now

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Betta choice acrylic cylinder - betta,

Betta choice acrylic cylinder - betta,

€87.97 · Buy It Now

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Pvc metric plumbing pipe - metric,

Pvc metric plumbing pipe - metric,

€67.89 · Buy It Now

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Aqua one haven - 5l,

Aqua one haven - 5l,

€29.99 · Buy It Now

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Fluval provac plug - plug, aquarium

Fluval provac plug - plug, aquarium

€49.99 · Buy It Now

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Elegant 15x10x20 betta fish - 15x10x20,

Elegant 15x10x20 betta fish - 15x10x20,

€23.95 · Buy It Now

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Aqua one splish splash 28l - &,

Aqua one splish splash 28l - &,

€54.99 · Buy It Now

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Aquarium fish tank - fish, background

Aquarium fish tank - fish, background

€6.95 · Buy It Now

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20l aquarium fish tank with - aquarium,

20l aquarium fish tank with - aquarium,

€29.99 · Buy It Now

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Hidom submersible water pump - hidom,

Hidom submersible water pump - hidom,

€17.95 · Buy It Now

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Desktop fish tank - 2.5l,

Desktop fish tank - 2.5l,

€7.78 · Buy It Now

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Multiple colors artificial - multiple,

Multiple colors artificial - multiple,

€5.49 · Buy It Now

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Ista multi function pet - multi-function,

Ista multi function pet - multi-function,

€20.89 · Buy It Now

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Small aquarium fish - aquarium, tank

Small aquarium fish - aquarium, tank

€29.95 · Buy It Now

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Aquarium pond filter wool - aquarium,

Aquarium pond filter wool - aquarium,

€64.99 · Buy It Now

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Fluval roma led aquariums - bt,

Fluval roma led aquariums - bt,

€398.99 · Buy It Now

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Aquarium fish tank - in, 1

Aquarium fish tank - in, 1

€13.00 · Buy It Now

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Hidom submersible tropical - submersible,

Hidom submersible tropical - submersible,

€10.95 · Buy It Now

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Fluval 20l betta - fluval, aquarium

Fluval 20l betta - fluval, aquarium

€99.99 · Buy It Now

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Goldfish small fish - goldfish, bowl

Goldfish small fish - goldfish, bowl

€19.90 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

€6.45 · Buy It Now

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Ciano aqua aquarium black - 15,

Ciano aqua aquarium black - 15,

€39.96 · Buy It Now

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Aquarium internal corner - aquarium,

Aquarium internal corner - aquarium,

€10.99 · Buy It Now

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Fluval betta premium aquarium - fluval,

Fluval betta premium aquarium - fluval,

€99.99 · Buy It Now

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Diversa aquarium fish tank - diversa,

Diversa aquarium fish tank - diversa,

€189.95 · Buy It Now

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Small fish tank - tank, plastic

Small fish tank - tank, plastic

€21.99 · Buy It Now

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New full spectrum 140cm - new|,

New full spectrum 140cm - new|,

€29.95 · Buy It Now

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Pond aquarium uv - aquarium, light

Pond aquarium uv - aquarium, light

€199.99 · Buy It Now

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Fish tank complete kit - tank,

Fish tank complete kit - tank,

€219.95 · Buy It Now

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Acrylic fish tank feeding tube - tank,

Acrylic fish tank feeding tube - tank,

€4.89 · Buy It Now

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Aquarium fish tank - fish,

Aquarium fish tank - fish,

€34.99 · Buy It Now

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Live aquarium plants - live,

Live aquarium plants - live,

€16.59 · Buy It Now

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Aquarium fish tank - 5,

Aquarium fish tank - 5,

€18.75 · Buy It Now

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Ciano aqua fish tank - ciano,

Ciano aqua fish tank - ciano,

€35.50 · Buy It Now

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Undergravel filter kit - undergravel,

Undergravel filter kit - undergravel,

€6.49 · Buy It Now

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Small tank lid insects - tank,

Small tank lid insects - tank,

€7.99 · Buy It Now

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Sagittaria subulata grass - subulata,

Sagittaria subulata grass - subulata,

€14.90 · Buy It Now

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Diversa aquarium fish tank - diversa,

Diversa aquarium fish tank - diversa,

€175.99 · Buy It Now

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Aquadesign safe 500ml - safe,

Aquadesign safe 500ml - safe,

€10.99 · Buy It Now

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Fluval provac powered aquarium - provac,

Fluval provac powered aquarium - provac,

€49.50 · Buy It Now

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Aquarium fish tank gravel - aquarium,

Aquarium fish tank gravel - aquarium,

€7.99 · Buy It Now

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Brand new fish - new**, tank

Brand new fish - new**, tank

€179.99 · Buy It Now

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📊96 listings · from €4.89 · avg €83.46

Browse 96 fish tanks listings currently in our index. Prices range from €4.89 to €429.99, with an average of €83.46. 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 fish tanks →

Try this: marine led lights | aquarium chiller | fish tank sump | brine shrimp | red cherry shrimp | aquarium driftwood | blue shrimp | fancy goldfish | terrapin tank | large bogwood

Shop by budget

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

Everything you need to know about fish tanks

Whether you are looking for a brand-new or second-hand 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 €4.89, while premium listings can reach €429.99 — giving you a wide budget spread to work with. The average price of €83.46 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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