Betta aquarium
Betta aquarium for sale on Ireland's largest auction and classifieds sites
Small fish tank gallon - fish, 1 - £29.99
Fish tank • Lightweight space saving • Its top feeding - Free postage - New and Used
Fish tank • Lightweight space saving • Its top feeding - Free postage - New and Used
Gallon betta fish tank - gallon, - £34.99
Create clean relaxing • Aquatic space this • Compact 1.5 gallon - Free postage - New and Used
Create clean relaxing • Aquatic space this • Compact 1.5 gallon - Free postage - New and Used
Nano subwassertang moss - nano, 3 - £24.65
Subwassertang moss cholla • Tied wood using • Green fishing line - Free postage - New and Used
Subwassertang moss cholla • Tied wood using • Green fishing line - Free postage - New and Used
Glass betta fish tank - betta, bamboo - £35.33
Desktop dual glass • Fish tank home • Office betta aquarium - Free postage - New and Used
Desktop dual glass • Fish tank home • Office betta aquarium - Free postage - New and Used
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Small betta fish tank - small, - £32.06
Betta fish tank • Kit led lighting • 0.6 gallon stackable - Free postage - New and Used
Betta fish tank • Kit led lighting • 0.6 gallon stackable - Free postage - New and Used
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48 listings · from £8.79 · avg £33.52
Browse 48 betta aquarium listings currently in our index. Prices range from £8.79 to £104.99, with an average of £33.52. 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 aquarium →
Aqueon kit betta puzzle tank - betta, - £15.00
Multiple aqueon betta • Puzzle aquarium blue • Aquariums half gallon - Free postage - New and Used
Multiple aqueon betta • Puzzle aquarium blue • Aquariums half gallon - Free postage - New and Used
Aquarium for bettas with - for, - £20.00
Application fish tank • Suitable bettas guppies • Some reptiles other - Free postage - New and Used
Application fish tank • Suitable bettas guppies • Some reptiles other - Free postage - New and Used
Aquarium fish tank - aquarium, 1.2gal - £30.99
Water filtration system • Changes which makes • Good choice aquarium - Free postage - New and Used
Water filtration system • Changes which makes • Good choice aquarium - Free postage - New and Used
Gallon betta fish tank - 1.5, - £35.00
Aquarium made abs • Material create colorful • Underwater world your - Free postage - New and Used
Aquarium made abs • Material create colorful • Underwater world your - Free postage - New and Used
Glass betta fish tank - glass, - £35.33
Desktop dual glass • Fish tank home • Office betta aquarium - Free postage - New and Used
Desktop dual glass • Fish tank home • Office betta aquarium - Free postage - New and Used
Glass betta aquarium starter - aquarium, - £49.55
Betta fish tank • Self cleaning glass • Gallon nano aquarium - Free postage - New and Used
Betta fish tank • Self cleaning glass • Gallon nano aquarium - Free postage - New and Used
Marina betta care - betta, aquarium - £16.18
Marina betta care • Aquarium kit 0.7 • Gallon fish tank - Free postage - New and Used
Marina betta care • Aquarium kit 0.7 • Gallon fish tank - Free postage - New and Used
Marina betta aquarium kit with - marina, - £14.99
Box faded due • Storage - Free postage - New and Used
Box faded due • Storage - Free postage - New and Used
Gallon betta fish tank - fish, - £104.99
Bring beauty simplicity • Your space this2.5 • Gallon fish tank - Free postage - New and Used
Bring beauty simplicity • Your space this2.5 • Gallon fish tank - Free postage - New and Used
Betta fish tank - betta, mini - £37.19
Parameter product name • Mini fish tank • Function decoration material - Free postage - New and Used
Parameter product name • Mini fish tank • Function decoration material - Free postage - New and Used
Betta fish tank marina - betta, tank. - £99.00
0.7 gal • Marina betta care • Aquarium kit blanco - Free postage - New and Used
0.7 gal • Marina betta care • Aquarium kit blanco - Free postage - New and Used
Glass betta fish - tank, bamboo - £35.33
Desktop dual glass • Fish tank home • Office betta aquarium - Free postage - New and Used
Desktop dual glass • Fish tank home • Office betta aquarium - Free postage - New and Used
Small betta fish tank - betta, - £30.79
Betta fish tank • Kit led lighting • 0.6 gallon stackable - Free postage - New and Used
Betta fish tank • Kit led lighting • 0.6 gallon stackable - Free postage - New and Used
Buy get free anubias - 1, free* - £9.99
Anubias barteri care • Info state laws • Should always followed - Free postage - New and Used
Anubias barteri care • Info state laws • Should always followed - Free postage - New and Used
Betta falls section - betta, aquarium - £49.97
Brand new betta • Falls section aquarium • Fish tank quietflow - Free postage - New and Used
Brand new betta • Falls section aquarium • Fish tank quietflow - Free postage - New and Used
Marina betta aquarium kit ying - betta, - £16.79
Marina betta aquarium • Kit ying yang • Theme gallon samples - Free postage - New and Used
Marina betta aquarium • Kit ying yang • Theme gallon samples - Free postage - New and Used
Dual glass desktop fish tank - fish, - £37.19
Parameter product name • Mini fish tank • Function decoration material - Free postage - New and Used
Parameter product name • Mini fish tank • Function decoration material - Free postage - New and Used
Aquarium fish tank l - tank, - £25.36
Specification material glass • Resin sandstone bamboo • Color clear wood - Free postage - New and Used
Specification material glass • Resin sandstone bamboo • Color clear wood - Free postage - New and Used
Black betta aquarium - black, - £10.46
Betta fish • Aquarium decoration best • Toy premium material - Free postage - New and Used
Betta fish • Aquarium decoration best • Toy premium material - Free postage - New and Used
Topfin aquaponics betta - topfin, - £22.95
- Free postage - New and Used
- Free postage - New and Used
Fluval spec gallon - spec, 2.6 - £95.99
Fluval spec 2.6 • Gallon aquarium kit • Black desktop glass - Free postage - New and Used
Fluval spec 2.6 • Gallon aquarium kit • Black desktop glass - Free postage - New and Used
Marina betta care aquarium - ez, - £17.98
New item free • Shipping marine betta • Fish tank blue - Free postage - New and Used
New item free • Shipping marine betta • Fish tank blue - Free postage - New and Used
Small aquarium fish - aquarium, - £30.99
Water filtration system • Changes which makes • Good choice aquarium - Free postage - New and Used
Water filtration system • Changes which makes • Good choice aquarium - Free postage - New and Used
Plastic aquarium betta fish - plastic, - £37.99
Crystal clear clarity • Enjoy pristine visual • Appeal glass without - Free postage - New and Used
Crystal clear clarity • Enjoy pristine visual • Appeal glass without - Free postage - New and Used
Mini betta fish tank - fish, 2 - £24.99
Betta fish sea • These compact aquariums • Monkeys aquatic displays - Free postage - New and Used
Betta fish sea • These compact aquariums • Monkeys aquatic displays - Free postage - New and Used
Aqqa aquarium heater - aquarium, - £81.23
Manufacturer aqqa 800w • 230 gallon tank • Long press lock - Free postage - New and Used
Manufacturer aqqa 800w • 230 gallon tank • Long press lock - Free postage - New and Used
Glofish betta shadowbox - glofish, - £45.00
Glofish betta shadowbox • Aquarium kit gallons • Includes led lighting - Free postage - New and Used
Glofish betta shadowbox • Aquarium kit gallons • Includes led lighting - Free postage - New and Used
Aqua culture betta - culture, view - £21.33
Aqua culture betta • View half gallon • Fish tank base - Free postage - New and Used
Aqua culture betta • View half gallon • Fish tank base - Free postage - New and Used
Glass betta fish - tank, bamboo - £32.66
Parameter product name • Mini fish tank • Function decoration material - Free postage - New and Used
Parameter product name • Mini fish tank • Function decoration material - Free postage - New and Used
Betta fish tank marina - betta, - £14.50
Marina betta care • Aquarium kit black • Compact easy maintain - Free postage - New and Used
Marina betta care • Aquarium kit black • Compact easy maintain - Free postage - New and Used
Floating betta hide shrimp - floating, & - £14.32
Floating betta hide • Shrimp cave ultimate • All one aquarium - Free postage - New and Used
Floating betta hide • Shrimp cave ultimate • All one aquarium - Free postage - New and Used
Marina betta care aquarium - care, - £25.99
Perfect betta fish • Care bring simplicity • Aquarium tank low - Free postage - New and Used
Perfect betta fish • Care bring simplicity • Aquarium tank low - Free postage - New and Used
Heurytep betta fish tank 5 - heurytep, tank, - £68.28
Betta fish tank • Best gift kids • Can bring fun - Free postage - New and Used
Betta fish tank • Best gift kids • Can bring fun - Free postage - New and Used
Aquarium fish tank small - fish, - £25.10
Aquarium fish tank • Starter kit led • 1.2l betta - Free postage - New and Used
Aquarium fish tank • Starter kit led • 1.2l betta - Free postage - New and Used
Betta fish cave - betta, - £28.27
Discover betta fish • Cave natural wood • Hideout that enhances - Free postage - New and Used
Discover betta fish • Cave natural wood • Hideout that enhances - Free postage - New and Used
Aquarium heater 50w small - heater, - £9.99
50w aquarium heater • Strong suction cup • Holds firmly any - Free postage - New and Used
50w aquarium heater • Strong suction cup • Holds firmly any - Free postage - New and Used
Elive 034110 betta bubble with - 034110, - £27.29
Elive 034110 betta • Bubble led light • Black stylish functional - Free postage - New and Used
Elive 034110 betta • Bubble led light • Black stylish functional - Free postage - New and Used
Aqueon kit betta puzzle tank - kit, - £8.79
- Free postage - New and Used
- Free postage - New and Used
Nano java moss inch - nano, - £24.65
Java moss cholla • Wood 100 organic • Amazing plant shrimp - Free postage - New and Used
Java moss cholla • Wood 100 organic • Amazing plant shrimp - Free postage - New and Used
Mini betta fish - kit, with - £19.17
Mini betta fish • Tank kit led • Bowl temporary space - Free postage - New and Used
Mini betta fish • Tank kit led • Bowl temporary space - Free postage - New and Used
Betta view aquarium - aquarium, starter - £40.45
Create vibrant relaxing • Aquatic world betta • View aquarium starter - Free postage - New and Used
Create vibrant relaxing • Aquatic world betta • View aquarium starter - Free postage - New and Used
Aquarium decoration rock cave - aquarium, - £39.99
Safe both freshwater • Saltwater aquariums this • Hidden cave creates - Free postage - New and Used
Safe both freshwater • Saltwater aquariums this • Hidden cave creates - Free postage - New and Used
Betta training stick - , – - £20.00
Perfect way enjoy • Elegance betta fish • Without worrying about - Free postage - New and Used
Perfect way enjoy • Elegance betta fish • Without worrying about - Free postage - New and Used
Try this: juwel aquariums tanks | aquarium volcano | fish tank cabinet | jebao filter | tmc | betta | aquamedic | aquarium heater 300w | aquarium 3d background | aquarium fish tank aquarium decoration
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Everything you need to know about betta aquarium
Whether you are looking for a brand-new or second-hand betta aquarium, 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 £8.79, while premium listings can reach £104.99 — giving you a wide budget spread to work with. The average price of £33.52 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.