Betta tank
Betta tank for sale on Ireland's largest auction and classifieds sites
Aqua one betta trio glass - betta, - £130.95
Aqua one betta • Trio glass aquarium • 32l three fish - Free postage - New and Used
Aqua one betta • Trio glass aquarium • 32l three fish - Free postage - New and Used
Fluval betta premium aquarium - fluval, - £99.99
Fluval betta premium • Aquarium fish tank • Kit 22.7l expansive - Free postage - New and Used
Fluval betta premium • Aquarium fish tank • Kit 22.7l expansive - Free postage - New and Used
Aqua one betta - sanctuary, | - £69.99
Together pre set • Heater keep water • Right temperature will - Free postage - New and Used
Together pre set • Heater keep water • Right temperature will - Free postage - New and Used
Betta fish tank with - fish, led - £32.93
Complete black wall • Paper practical top • Cover this tank - Free postage - New and Used
Complete black wall • Paper practical top • Cover this tank - Free postage - New and Used
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Aqua one betta oasis complete - aqua, - £59.99
Complete plug play • Glass aquarium compact • Filter preset heater - Free postage - New and Used
Complete plug play • Glass aquarium compact • Filter preset heater - Free postage - New and Used
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48 listings · from £3.1 · avg £42.26
⚠️ These listings were last updated more than 27 days ago.
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Browse 48 betta tank listings currently in our index. Prices range from £3.1 to £131.52, with an average of £42.26. 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 betta tank →
Aqua one betta tank bt10 - betta, half - £72.99
Litre aquarium suitable • Bettas shrimp integrated • Led lighting system - Free postage - New and Used
Litre aquarium suitable • Bettas shrimp integrated • Led lighting system - Free postage - New and Used
Aquarium kit compact - kit, betta - £28.30
This all one • Aquarium transforms any • Space into tranquil - Free postage - New and Used
This all one • Aquarium transforms any • Space into tranquil - Free postage - New and Used
Fluval 20l betta aquarium fish - aquarium, - £99.99
Fluval betta premium • Integrated water change • Feature ensures effortless - Free postage - New and Used
Fluval betta premium • Integrated water change • Feature ensures effortless - Free postage - New and Used
Aqua one haven betta - one, - £29.99
Aqua one haven • Aquarium betta need • Kept stable temperature - Free postage - New and Used
Aqua one haven • Aquarium betta need • Kept stable temperature - Free postage - New and Used
Compact bowfront betta tank - compact, - £15.99
Compact bowfront betta • Tank two why • Transform your living - Free postage - New and Used
Compact bowfront betta • Tank two why • Transform your living - Free postage - New and Used
Aqua one betta - aqua, oasis - £60.99
Betta pellets are • Intended daily feeding • Fish aqua one - Free postage - New and Used
Betta pellets are • Intended daily feeding • Fish aqua one - Free postage - New and Used
Zoo med betta - med, oval - £15.00
Foods aquarium plants • Real bog curio • Products unit langley - Free postage - New and Used
Foods aquarium plants • Real bog curio • Products unit langley - Free postage - New and Used
Ciano cube litre - ciano, aquarium - £55.97
Ciano cube elegant • Functional nano aquarium • Cla20 universal app - Free postage - New and Used
Ciano cube elegant • Functional nano aquarium • Cla20 universal app - Free postage - New and Used
Betta multi functional - betta, multi-functional - £22.59
Multi functional pet • Tank betta mini • Suitable housing fish - Free postage - New and Used
Multi functional pet • Tank betta mini • Suitable housing fish - Free postage - New and Used
Aqua one bt10 betta - one, - £74.99
Your aquarium its • Has contemporary curved • Glass design which - Free postage - New and Used
Your aquarium its • Has contemporary curved • Glass design which - Free postage - New and Used
Betta xxl shipwreck aquarium - xxl, - £131.52
- Free postage - New and Used
- Free postage - New and Used
Aqua one pico fish tank - fish, - £29.99
Pico betta aquarium • Need kept stable • Temperature within tank - Free postage - New and Used
Pico betta aquarium • Need kept stable • Temperature within tank - Free postage - New and Used
Aqua one betta sanctuary - betta, - £75.45
Together preset heater • Keep water right • Temperature will ensure - Free postage - New and Used
Together preset heater • Keep water right • Temperature will ensure - Free postage - New and Used
Betta choice acrylic cylinder - choice, - £87.97
Decorative air stone • Fitted base ideal • Starter aquarium suitable - Free postage - New and Used
Decorative air stone • Fitted base ideal • Starter aquarium suitable - Free postage - New and Used
Fluval betta stratum 800g - fluval, - £8.89
Fluval betta stratum • 800g premium substrate • Specifically support health - Free postage - New and Used
Fluval betta stratum • 800g premium substrate • Specifically support health - Free postage - New and Used
Catappa leaves indian - leaves, - £3.10
Natural catappa leaves • Healthy blackwater aquariums • Bettas tetras rasboras - Free postage - New and Used
Natural catappa leaves • Healthy blackwater aquariums • Bettas tetras rasboras - Free postage - New and Used
Desktops mini fish tank with - desktops, - £10.22
Type desktop betta • Fish tank color • Transparent - Free postage - New and Used
Type desktop betta • Fish tank color • Transparent - Free postage - New and Used
Fluval betta premium fighter - fluval, - £99.99
Fluval betta premium • Aquarium kit 22.7l • Inspired nature this - Free postage - New and Used
Fluval betta premium • Aquarium kit 22.7l • Inspired nature this - Free postage - New and Used
Fluval 20l betta aquarium kit - betta, - £99.99
Premium aquarium kit • Fluval betta 22.7l • Has been created - Free postage - New and Used
Premium aquarium kit • Fluval betta 22.7l • Has been created - Free postage - New and Used
Moss growing shelf - shelf, ledge - £4.94
5cm round 7.5cm - Free postage - New and Used
5cm round 7.5cm - Free postage - New and Used
Lid feed cover - cover, fluval - £10.99
- Free postage - New and Used
- Free postage - New and Used
Pcs betta hammock fish - pcs, - £8.22
Betta fish tank • Add comfort style • Leaf hammock provides - Free postage - New and Used
Betta fish tank • Add comfort style • Leaf hammock provides - Free postage - New and Used
Aquarium kit bedroom - aquarium, - £38.39
Fish tank • Portable desktop aquaponic • Bowl water filtration - Free postage - New and Used
Fish tank • Portable desktop aquaponic • Bowl water filtration - Free postage - New and Used
Gallon acrylic betta fish - 1.3-gallon, - £51.99
1.3 gallon acrylic • Betta fish tank • Led lights filter - Free postage - New and Used
1.3 gallon acrylic • Betta fish tank • Led lights filter - Free postage - New and Used
Fluval spec iii - fluval, 10 - £18.45
Flow reducer ideal • Betta fish chamber • Plug spray bar - Free postage - New and Used
Flow reducer ideal • Betta fish chamber • Plug spray bar - Free postage - New and Used
Fluval betta 20l replacement - 20l, - £79.99
Compatibility fluval betta • 20l aquarium filter • Such have huge - Free postage - New and Used
Compatibility fluval betta • 20l aquarium filter • Such have huge - Free postage - New and Used
Aquarium 28l glass fish - 28l, - £49.99
Suitable bettas guppies • Mini parrot fishes • Shrimp goldfishes similar - Free postage - New and Used
Suitable bettas guppies • Mini parrot fishes • Shrimp goldfishes similar - Free postage - New and Used
Small aquarium fish - fish, with - £11.35
Perfect goldfish betta • Fish shrimp room • Decorative gravel artificial - Free postage - New and Used
Perfect goldfish betta • Fish shrimp room • Decorative gravel artificial - Free postage - New and Used
Java moss growing - shelf, ledge - £6.59
You are buying • Loose java moss • Perfect start your - Free postage - New and Used
You are buying • Loose java moss • Perfect start your - Free postage - New and Used
Small fish tank for - small, - £49.99
Safe energy efficient • Made from acrylic • This betta fish - Free postage - New and Used
Safe energy efficient • Made from acrylic • This betta fish - Free postage - New and Used
Betta fish tank mini - betta, - £15.35
Betta fish tank • Brush aquarium cleaning • Cleaner scrubber pcs - Free postage - New and Used
Betta fish tank • Brush aquarium cleaning • Cleaner scrubber pcs - Free postage - New and Used
Betta resting cherub aquarium - betta, - £12.19
- Free postage - New and Used
- Free postage - New and Used
Marina breeding box net - box, - £5.20
Various options available • Choose from fish • Hatchery breeding trap - Free postage - New and Used
Various options available • Choose from fish • Hatchery breeding trap - Free postage - New and Used
Betta xxl shipwreck - betta, aquarium - £45.00
Used betta xxl • Shipwreck currently selling • New 131 here - Free postage - New and Used
Used betta xxl • Shipwreck currently selling • New 131 here - Free postage - New and Used
Betta aquarium transparent - betta, - £10.79
Transform your dorm • Into serene micro • Landscape our betta - Free postage - New and Used
Transform your dorm • Into serene micro • Landscape our betta - Free postage - New and Used
Flow restrictor reducer - flow, - £4.88
This item will • Divert diffuse flow • Rate reduce tank - Free postage - New and Used
This item will • Divert diffuse flow • Rate reduce tank - Free postage - New and Used
Betta aquarium transparent - betta, - £12.19
Transform your dorm • Into serene micro • Landscape our betta - Free postage - New and Used
Transform your dorm • Into serene micro • Landscape our betta - Free postage - New and Used
Betta choice lifespace view - view, 17 - £62.99
Betta choice lifespace • View litre 32cm • Long aquarium system - Free postage - New and Used
Betta choice lifespace • View litre 32cm • Long aquarium system - Free postage - New and Used
Zoo med floating betta aquatic - floating, - £11.80
Equipped top feeding • Easy fun use • Tanks least gallons - Free postage - New and Used
Equipped top feeding • Easy fun use • Tanks least gallons - Free postage - New and Used
Fluval betta stratum aquarium - fluval, - £5.19
Fluval betta stratum • Aquarium fish tank • Substrate 800g collected - Free postage - New and Used
Fluval betta stratum • Aquarium fish tank • Substrate 800g collected - Free postage - New and Used
Betta ring hide aquarium - betta, - £12.30
- Free postage - New and Used
- Free postage - New and Used
Betta choice external canister - choice, - £68.99
Betta aquarium canister • Filters are range • Suitable aquariums 1500l - Free postage - New and Used
Betta aquarium canister • Filters are range • Suitable aquariums 1500l - Free postage - New and Used
Acrylic fish breeding - fish, - £12.99
Function breeding mother • Fish raising young • Tank breeder box - Free postage - New and Used
Function breeding mother • Fish raising young • Tank breeder box - Free postage - New and Used
Try this: aquarium condensation tray | silent air pump | 90 litre fish tank | eheim feeder | dosing pump | 6ft tank | koi fish food webbox | shovelnose catfish | fluval vicenza | hermit crab
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Everything you need to know about betta tank
Whether you are looking for a brand-new or second-hand betta tank, eBay offers one of the largest selections available online. With 48 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 £3.1, while premium listings can reach £131.52 — giving you a wide budget spread to work with. The average price of £42.26 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.