For Sale UK

Betta fish tanks

4

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

Home / Fish & Aquarium / Betta fish tanks refurbished & used for sale | For Sale UK
Aqua one betta - one,

Aqua one betta - one,

£133.99 · Buy It Now

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Desktop betta tank - betta, 1.2gal

Desktop betta tank - betta, 1.2gal

£23.99 · Buy It Now

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Desktop gallon betta tank - betta,

Desktop gallon betta tank - betta,

£22.49 · 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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Compact betta fish tank - tank, kit

Compact betta fish tank - tank, kit

£22.99 · Buy It Now

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20l aquarium fish tank - 20l,

20l aquarium fish tank - 20l,

£29.59 · Buy It Now

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Aqua one betta quad - betta,

Aqua one betta quad - betta,

£262.99 · Buy It Now

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Aqua one haven - 5l, betta

Aqua one haven - 5l, betta

£29.99 · Buy It Now

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Betta choice floating magnet - choice,

Betta choice floating magnet - choice,

£18.96 · Buy It Now

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Fluval 20l betta aquarium - 20l, fish

Fluval 20l betta aquarium - 20l, fish

£8.50 · Buy It Now

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Aqua one betta - betta, 10l

Aqua one betta - betta, 10l

£75.45 · Buy It Now

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Aquarium fish breeder box - fish,

Aquarium fish breeder box - fish,

£6.51 · Buy It Now

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Nano tank heater betta choice - nano,

Nano tank heater betta choice - nano,

£17.99 · Buy It Now

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Mini betta fish tank - mini,

Mini betta fish tank - mini,

£23.99 · Buy It Now

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20l aquarium fish tank with - 20l,

20l aquarium fish tank with - 20l,

£29.99 · Buy It Now

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Clear glass gallon fish - fish, tank

Clear glass gallon fish - fish, tank

£22.49 · Buy It Now

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Ciano cube litre - cube,

Ciano cube litre - cube,

£55.97 · Buy It Now

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Led light betta tank - light,

Led light betta tank - light,

£23.99 · Buy It Now

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Betta choice acrylic cylinder - betta,

Betta choice acrylic cylinder - betta,

£83.57 · Buy It Now

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Aquarium fish tank 2gal - aquarium,

Aquarium fish tank 2gal - aquarium,

£23.99 · Buy It Now

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20l aquarium fish - tank, with

20l aquarium fish - tank, with

£29.99 · Buy It Now

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Aqua one betta tank bt10 - one,

Aqua one betta tank bt10 - one,

£72.99 · 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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Flow restrictor reducer - flow,

Flow restrictor reducer - flow,

£4.88 · Buy It Now

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Betta choice low - choice,

Betta choice low - choice,

£15.19 · Buy It Now

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Fluval betta premium - fluval, fighter

Fluval betta premium - fluval, fighter

£99.99 · Buy It Now

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Aqua one betta - one,

Aqua one betta - one,

£132.99 · Buy It Now

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Fluval 20l betta aquarium - betta,

Fluval 20l betta aquarium - betta,

£99.99 · Buy It Now

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Ultra white glass tank living - tank,

Ultra white glass tank living - tank,

£14.00 · 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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360 degree rotating glass - 360,

360 degree rotating glass - 360,

£34.66 · Buy It Now

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20l aquarium fish - aquarium,

20l aquarium fish - aquarium,

£40.29 · Buy It Now

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Betta frigate piece aquarium - betta, 2-piece

Betta frigate piece aquarium - betta, 2-piece

£46.99 · Buy It Now

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Aquarium 28l glass - aquarium, fish

Aquarium 28l glass - aquarium, fish

£49.99 · Buy It Now

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Small fish tank gallon - tank,, 1

Small fish tank gallon - tank,, 1

£22.49 · Buy It Now

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Zoo med betta oval shape - oval, nano

Zoo med betta oval shape - oval, nano

£20.00 · Buy It Now

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Betta choice floating magnet - betta,

Betta choice floating magnet - betta,

£27.51 · Buy It Now

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Acrylic wallmounted fish tank - fish,

Acrylic wallmounted fish tank - fish,

£14.45 · Buy It Now

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Mini fish tank desktop glass - mini,

Mini fish tank desktop glass - mini,

£36.52 · Buy It Now

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Desktop fish tank - fish,

Desktop fish tank - fish,

£23.26 · Buy It Now

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Desktops mini fish tank with - fish,

Desktops mini fish tank with - fish,

£10.22 · Buy It Now

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20l aquarium fish tank - aquarium, with

20l aquarium fish tank - aquarium, with

£30.99 · Buy It Now

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Transparent betta fish - fish, tank

Transparent betta fish - fish, tank

£9.83 · Buy It Now

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Fish tanks decorations - fish,

Fish tanks decorations - fish,

£12.71 · Buy It Now

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Aquarium floating betta - floating,

Aquarium floating betta - floating,

£2.79 · Buy It Now

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Aqua one pico fish - aqua,

Aqua one pico fish - aqua,

£29.99 · Buy It Now

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Betta choice lifespace view - betta,

Betta choice lifespace view - betta,

£99.76 · Buy It Now

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Aqua one betta - one,

Aqua one betta - one,

£44.70 · Buy It Now

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Zoo med betta led - med,

Zoo med betta led - med,

£9.99 · Buy It Now

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Zoo med bettatherm heater - med,

Zoo med bettatherm heater - med,

£5.99 · Buy It Now

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Aqua one bt10 - aqua,

Aqua one bt10 - aqua,

£74.99 · Buy It Now

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Bcuk frozen bloodworm fish - bloodworm,

Bcuk frozen bloodworm fish - bloodworm,

£27.99 · Buy It Now

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Large aquarium cave hide for - large,

Large aquarium cave hide for - large,

£37.99 · Buy It Now

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Aquarium fish tank ornament - fish,

Aquarium fish tank ornament - fish,

£19.99 · Buy It Now

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Aqua one betta oasis - betta, complete

Aqua one betta oasis - betta, complete

£59.99 · Buy It Now

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Betta fish hammock - betta, floating

Betta fish hammock - betta, floating

£4.79 · Buy It Now

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Betta choice lifespace - betta, view

Betta choice lifespace - betta, view

£59.85 · Buy It Now

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Aqua one betta - one,

Aqua one betta - one,

£269.99 · Buy It Now

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Extra large plane wreck - large,

Extra large plane wreck - large,

£45.40 · Buy It Now

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Transparent fish tank acrylic - transparent,

Transparent fish tank acrylic - transparent,

£49.99 · Buy It Now

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Betta breakthrough koi - betta,

Betta breakthrough koi - betta,

£13.55 · Buy It Now

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Extra large helicopter - large,

Extra large helicopter - large,

£42.89 · Buy It Now

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Mini desktop aquarium - mini,

Mini desktop aquarium - mini,

£18.05 · Buy It Now

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Aquarium decors fish tanks - aquarium,

Aquarium decors fish tanks - aquarium,

£16.01 · Buy It Now

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Aqua one betta oasis complete - betta,

Aqua one betta oasis complete - betta,

£60.99 · Buy It Now

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Betta choice lifespace - choice,

Betta choice lifespace - choice,

£104.49 · Buy It Now

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Black aqua one betta - aqua, glass

Black aqua one betta - aqua, glass

£99.99 · Buy It Now

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Betta internal filter aquarium - betta,

Betta internal filter aquarium - betta,

£9.45 · Buy It Now

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Large betta choice - betta, floating

Large betta choice - betta, floating

£14.99 · Buy It Now

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Betta external aquarium - betta,

Betta external aquarium - betta,

£199.99 · Buy It Now

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Pack cheap fish tank acrylic - 2,

Pack cheap fish tank acrylic - 2,

£17.69 · Buy It Now

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Betta choice lifespace view - choice,

Betta choice lifespace view - choice,

£59.84 · Buy It Now

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Betta air action - hippo, head

Betta air action - hippo, head

£9.02 · Buy It Now

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Betta small pink mushroom - pink,

Betta small pink mushroom - pink,

£8.32 · Buy It Now

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Water leaf for betta fish - betta,

Water leaf for betta fish - betta,

£6.59 · Buy It Now

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Betta red mini car - mini,

Betta red mini car - mini,

£12.34 · Buy It Now

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Betta multi functional - betta, multi-functional

Betta multi functional - betta, multi-functional

£22.59 · Buy It Now

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Aquarium fish tank ornament - tank,

Aquarium fish tank ornament - tank,

£16.99 · Buy It Now

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Stylish betta fish tank - 5l,

Stylish betta fish tank - 5l,

£52.95 · Buy It Now

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Pcs ecological ornamental - 2,

Pcs ecological ornamental - 2,

£20.68 · Buy It Now

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Hikari micro pellets - hikari,

Hikari micro pellets - hikari,

£102.99 · Buy It Now

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Betta choice mini - mini, aquarium

Betta choice mini - mini, aquarium

£3.29 · Buy It Now

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Betta rock wood aquascape - wood,

Betta rock wood aquascape - wood,

£32.74 · Buy It Now

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30g tetramin holiday fish - holiday,

30g tetramin holiday fish - holiday,

£15.99 · Buy It Now

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Betta half log hideout tunnel - betta,

Betta half log hideout tunnel - betta,

£18.99 · Buy It Now

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White fish tank goldfish betta - fish,

White fish tank goldfish betta - fish,

£6.99 · Buy It Now

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Camper van aquarium fish - aquarium,

Camper van aquarium fish - aquarium,

£4.99 · Buy It Now

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15x10x20 for elegant - cm,

15x10x20 for elegant - cm,

£26.97 · Buy It Now

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Betta choice green pink - betta, &

Betta choice green pink - betta, &

£1.79 · Buy It Now

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Betta air action clam - clam, medium

Betta air action clam - clam, medium

£10.35 · Buy It Now

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Betta air action train wreck - air,

Betta air action train wreck - air,

£17.57 · Buy It Now

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Betta choice 8cm small - 8cm, bacopa

Betta choice 8cm small - 8cm, bacopa

£6.60 · Buy It Now

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Betta resting cherub aquarium - betta,

Betta resting cherub aquarium - betta,

£11.58 · Buy It Now

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Betta seal with air stone - seal,

Betta seal with air stone - seal,

£10.92 · Buy It Now

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220v creative betta fish tank - 220v,

220v creative betta fish tank - 220v,

£82.94 · Buy It Now

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Blackwater biotope aquarium - biotope,

Blackwater biotope aquarium - biotope,

£37.89 · Buy It Now

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📊96 listings · from £1.79 · avg £41.14
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 betta fish tanks listings currently in our index. Prices range from £1.79 to £269.99, with an average of £41.14. 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 →

Try this: aquarium equipment | saltwater tank | freshwater tropical fish | large marine fish tanks | sump refugium | aquarium glass | cylinder fish tank | clearseal tank | hailea water pump | 3 foot fish tank

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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 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 £1.79, while premium listings can reach £269.99 — giving you a wide budget spread to work with. The average price of £41.14 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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