Betta tank
Betta tank for sale on Ireland's largest auction and classifieds sites
Aqua one betta oasis - aqua, - £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
Glass fish tank easy - fish, to - £42.29
These aquariums are • This product set • Rectangular glass fish - Free postage - New and Used
These aquariums are • This product set • Rectangular glass fish - 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
Betta xxl shipwreck - xxl, aquarium - £131.52
- Free postage - New and Used
- Free postage - New and Used
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Betta stony cave aquarium fish - stony, - £13.99
- Free postage - New and Used
- Free postage - New and Used
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48 listings · from £4.88 · avg £45.67
⚠️ These listings were last updated more than 76 days ago.
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Browse 48 betta tank listings currently in our index. Prices range from £4.88 to £251.99, with an average of £45.67. 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 →
Fluval betta aquarium kit - fluval, 20l - £99.99
Custom betta filtration • Kit natural soft • Glow led lighting - Free postage - New and Used
Custom betta filtration • Kit natural soft • Glow led lighting - Free postage - New and Used
Aquarium kit bedroom - 1l, - £54.08
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
Betta choice lifespace view - betta, - £105.01
Betta choice lifespace • View litre 45cm • Long aquarium system - Free postage - New and Used
Betta choice lifespace • View litre 45cm • Long aquarium system - Free postage - New and Used
Fluval 20l betta aquarium - fluval, - £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
Betta frigate piece aquarium - 2-piece, - £49.46
- Free postage - New and Used
- Free postage - New and Used
Large aquarium cave - large, hide - £37.99
Clean black finish • Smooth interior wide • Entrance made blend - Free postage - New and Used
Clean black finish • Smooth interior wide • Entrance made blend - Free postage - New and Used
Aqua one betta sanctuary - one, - £77.99
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
Aqua one bt10 betta aquarium - one, - £77.99
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
20l aquarium fish - 20l, - £56.40
Round fish tank • Transform any space • Into serene aquatic - Free postage - New and Used
Round fish tank • Transform any space • Into serene aquatic - Free postage - New and Used
Aqua one betta trio glass - aqua, - £143.95
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
Multi function fish tank - fish, - £12.59
Pcs peg board • Hooks hanging pegboard • Heavy duty electroplated - Free postage - New and Used
Pcs peg board • Hooks hanging pegboard • Heavy duty electroplated - Free postage - New and Used
Back cover fit - back, on - £10.34
- Free postage - New and Used
- Free postage - New and Used
Betta choice lifespace view - lifespace, - £63.00
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
Betta ring hide aquarium fish - hide, - £12.30
- Free postage - New and Used
- Free postage - New and Used
Betta choice bamboo - bamboo, with - £17.49
Betta choice bamboo • Air stone - Free postage - New and Used
Betta choice bamboo • Air stone - Free postage - New and Used
20x catappa leaves indian - 20x, - £8.66
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
Betta castle tower - castle, - £13.90
- Free postage - New and Used
- Free postage - New and Used
Betta breakthrough branch - betta, - £21.85
- Free postage - New and Used
- Free postage - New and Used
Beautiful fish tank java wood - beautiful, - £15.08
Dried out ready • New tank was • Years dense sinks - Free postage - New and Used
Dried out ready • New tank was • Years dense sinks - Free postage - New and Used
Betta cave lounge - cave, - £11.50
Cater diverse needs • Your aquatic pets • Our must have - Free postage - New and Used
Cater diverse needs • Your aquatic pets • Our must have - Free postage - New and Used
Zoomed betta exercise floating - betta, - £8.99
Betta exercise mirror • Sees his reflection • Suspended floating ball - Free postage - New and Used
Betta exercise mirror • Sees his reflection • Suspended floating ball - Free postage - New and Used
Betta mechanical hand aquarium - betta, - £10.99
- Free postage - New and Used
- Free postage - New and Used
Aquarium glass fish tank - aquarium, - £71.99
Silent water pump • This betta fish • Tank provides efficient - Free postage - New and Used
Silent water pump • This betta fish • Tank provides efficient - Free postage - New and Used
Aqua one betta sanctuary - aqua, 10l - £76.99
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
Aqua one betta quad glass - one, - £251.99
Aqua one betta • Quad glass aquarium • 60l three fish - Free postage - New and Used
Aqua one betta • Quad glass aquarium • 60l three fish - Free postage - New and Used
Betta tank small aquarium - tank, - £10.58
Betta fish tank • Kids starter kits • Aquarium decor aquariums - Free postage - New and Used
Betta fish tank • Kids starter kits • Aquarium decor aquariums - Free postage - New and Used
Fish tank filter internal - fish, - £14.45
Versatile design fishtopia • Ultimate tank filter • Pump all one - Free postage - New and Used
Versatile design fishtopia • Ultimate tank filter • Pump all one - Free postage - New and Used
Java moss growing shelf ledge - shelf, - £4.94
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
Plastic betta fish tank small - betta, - £9.59
Suitable betta shrimp • Clownfish etc isolates • Injured aggressive fish - Free postage - New and Used
Suitable betta shrimp • Clownfish etc isolates • Injured aggressive fish - Free postage - New and Used
Betta choice aquarium fish - betta, - £11.49
Betta choice aquarium • Substrates are available • 5kg 15kg bags - Free postage - New and Used
Betta choice aquarium • Substrates are available • 5kg 15kg bags - 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 fish tank cave hammock - betta, - £9.99
Betta fish hideaway • Lounge hammock aquarium • Encourages natural behaviors - Free postage - New and Used
Betta fish hideaway • Lounge hammock aquarium • Encourages natural behaviors - Free postage - New and Used
Lid feed cover for - lid, - £10.99
- Free postage - New and Used
- Free postage - New and Used
2pcs betta fish - acrylic, tube - £6.99
Safe thoughtful design • Withsmooth edges these • Fish tunnels are - Free postage - New and Used
Safe thoughtful design • Withsmooth edges these • Fish tunnels are - Free postage - New and Used
Fluval 20l betta aquarium - fluval, - £135.90
Fluval 20l betta • Aquarium fish tank • Bundle includes 25w - Free postage - New and Used
Fluval 20l betta • Aquarium fish tank • Bundle includes 25w - Free postage - New and Used
Betta brown dark cave large - brown, - £26.59
Betta dark cave • Lovely hide both • Fish reptiles - Free postage - New and Used
Betta dark cave • Lovely hide both • Fish reptiles - Free postage - New and Used
28l glass aquarium fish tank - glass, - £94.99
Crystal clear glass • Led lighting three • Modes gradient colour - Free postage - New and Used
Crystal clear glass • Led lighting three • Modes gradient colour - Free postage - New and Used
Betta air action sting - sting, ray - £15.99
- Free postage - New and Used
- Free postage - New and Used
Ciano cube litre aquarium - ciano, 15 - £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 air action train wreck - betta, - £18.49
Betta air action • Train wreck interesting • Piece aquarium decoration - Free postage - New and Used
Betta air action • Train wreck interesting • Piece aquarium decoration - Free postage - New and Used
Betta compact aquarium heater - compact, - £15.75
Betta compact heater • Watt suitable aquariums • Aquarium heaters are - Free postage - New and Used
Betta compact heater • Watt suitable aquariums • Aquarium heaters are - Free postage - New and Used
Betta choice premium digital - choice, - £23.79
Betta premium digital • Aquarium heaters are • Constructed using high - Free postage - New and Used
Betta premium digital • Aquarium heaters are • Constructed using high - Free postage - New and Used
Fish tank betta artificial - fish, - £38.95
Compact goldfish tank • Built led light • Vibrant aquatic display - Free postage - New and Used
Compact goldfish tank • Built led light • Vibrant aquatic display - Free postage - New and Used
Try this: aquarium condensation tray | silent air pump | 90 litre fish tank | eheim feeder | dosing pump | 6ft tank | fluval osaka | koi fish food webbox | shovelnose catfish | fluval vicenza
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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 £4.88, while premium listings can reach £251.99 — giving you a wide budget spread to work with. The average price of £45.67 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.