Betta fish tanks
Betta fish tanks for sale on Ireland's largest auction and classifieds sites
Budget picks — under £19
Transform your tank • Into betta paradise • This cozy practical - Free postage - New and Used
5cm round 7.5cm - Free postage - New and Used
Features standard option • Warmlight coldlight portable • Easy use plugand - Free postage - New and Used
Easy clean simulating • Natural ecology suitable • Family users who - Free postage - New and Used
Looking for more betta fish tanks?
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Nano tank heater • Betta choice mini • Fish tanks capacity - Free postage - New and Used
Browse 48 betta fish tanks listings currently in our index. Prices range from £4.99 to £251.99, with an average of £45.04. 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 fish tanks →
Function breeding mother • Fish raising young • Tank breeder box - Free postage - New and Used
- Free postage - New and Used
Betta fish tank • Accessories shown superior • Transparent acrylic material - Free postage - New and Used
This product creative • Desktop fish tank • Made premium material - Free postage - New and Used
Simplifies maintenance enhances • Overall user experience • Simple attractive aquascaping - Free postage - New and Used
Not only fish • Tank decor but • Also creative desktop - Free postage - New and Used
Betta choice mini • Aquarium heaters nano • Are suitable warming - Free postage - New and Used
Transform your student • Dormitory into beautiful • Haven our betta - Free postage - New and Used
Transform your student • Dormitory into beautiful • Haven our betta - Free postage - New and Used
Perfectly suited spaces • This betta fish • Tank adds touch - Free postage - New and Used
Betta choice floating • Magnetic algae cleaner • Other dirt from - Free postage - New and Used
Mid-range — £20 to £53
Ultra clear glass • Ensures high light • Transmittance vent hole - Free postage - New and Used
Multi functional pet • Tank betta mini • Suitable housing fish - Free postage - New and Used
Desktop water scene • Aquarium transform your • Space this aesthetic - Free postage - New and Used
Betta premium digital • Aquarium heaters are • Constructed using high - Free postage - New and Used
Desktop water scene • Aquarium transform your • Space this aesthetic - Free postage - New and Used
Mini fish tank • Product material pet - Free postage - New and Used
Desktop water scene • Aquarium transform your • Space this aesthetic - Free postage - New and Used
Betta dark cave • Lovely hide both • Fish reptiles - Free postage - New and Used
Desktop water scene • Aquarium transform your • Space this aesthetic - Free postage - New and Used
Compact goldfish tank • Built led light • Vibrant aquatic display - Free postage - New and Used
Glass thickness • Betta choice floating • Magnetic algae cleaner - Free postage - New and Used
Fish tank • Decor but also • Creative desktop flowerpot - Free postage - New and Used
Complete black wall • Paper practical top • Cover this tank - Free postage - New and Used
Fish tank • Portable desktop aquaponic • Bowl water filtration - Free postage - New and Used
Clean black finish • Smooth interior wide • Entrance made blend - Free postage - New and Used
Round fish tank • Transform any space • Into serene aquatic - Free postage - New and Used
Premium — over £53
Silent water pump • This betta fish • Tank provides efficient - Free postage - New and Used
Ciano cube elegant • Functional nano aquarium • Cla20 universal app - Free postage - New and Used
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
Together preset heater • Keep water right • Temperature will ensure - Free postage - New and Used
Together pre set • Heater keep water • Right temperature will - Free postage - New and Used
Your aquarium its • Has contemporary curved • Glass design which - Free postage - New and Used
Betta choice lifespace • View litre 38cm • Long aquarium system - Free postage - New and Used
Betta choice lifespace • View litre 38cm • Long aquarium system - Free postage - New and Used
Aqua one betta • Sanctuary 10l together • Preset heater keep - Free postage - New and Used
Decorative air stone • Fitted base ideal • Starter aquarium suitable - Free postage - New and Used
Expansive fluval betta • 22.7l premium aquarium • Kit has been - Free postage - New and Used
Fluval betta premium • Integrated water change • Feature ensures effortless - Free postage - New and Used
Betta choice lifespace • View litre 45cm • Long aquarium system - Free postage - New and Used
Aqua one betta • Trio glass aquarium • 32l three fish - Free postage - New and Used
Aqua one betta • Quad glass aquarium • 60l three fish - Free postage - New and Used
Try this: aquarium equipment | saltwater tank | freshwater tropical fish | large marine fish tanks | sump refugium | aquarium glass | clearseal aquarium tanks | cylinder fish tank | coffee table fish tank | clearseal tank
🔥 Best eBay deals on betta fish tanks
See all listings on eBay →These 48 listings for betta fish tanks are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
Betta Tunnel Hammock Bed Betta
Transform your tank • Into betta paradise • This cozy practical
£5
Moss Growing Shelf Ledge Mesh
5cm round 7.5cm
£5
USB Light Strips for Betta
Features standard option • Warmlight coldlight portable • Easy use plugand
£7
Everything you need to know about betta fish tanks
Whether you are looking for a brand-new or second-hand betta fish tanks, 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 £4.99, while premium listings can reach £251.99 — giving you a wide budget spread to work with. The average price of £45.04 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.