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Betta fish tanks

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Betta fish tanks for sale on largest auction and classifieds sites

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Aqua one betta trio - aqua, glass

Aqua one betta trio - aqua, glass

£131.99
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Betta fish tank gallon - fish,

Betta fish tank gallon - fish,

£21.39
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Aqua one betta oasis - betta, complete

Aqua one betta oasis - betta, complete

£60.99
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Complete nano betta fish tank - complete,

Complete nano betta fish tank - complete,

£21.89
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Aqua one haven - one, 5l

Aqua one haven - one, 5l

£29.99
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2pcs betta small fish - small, tanks

2pcs betta small fish - small, tanks

£19.69
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Compact betta fish tank kit - compact,

Compact betta fish tank kit - compact,

£22.99
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2pcs betta small fish - small,

2pcs betta small fish - small,

£19.98
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Betta fish tank gallon - tank, 1

Betta fish tank gallon - tank, 1

£21.39
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Aquarium fish tank with - 5l,

Aquarium fish tank with - 5l,

£21.89
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2gal betta tank - 1.2gal, kit

2gal betta tank - 1.2gal, kit

£22.69
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Aqua one betta quad - one, glass

Aqua one betta quad - one, glass

£199.99
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Pcs fish tank decor - ,

Pcs fish tank decor - ,

£19.65
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Aqua one betta - one, bt10

Aqua one betta - one, bt10

£89.99
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Aquarium hideout cave - hideout,

Aquarium hideout cave - hideout,

£13.89
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Aquarium 28l glass fish tank - aquarium,

Aquarium 28l glass fish tank - aquarium,

£49.99
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Aqua one betta quad glass - one,

Aqua one betta quad glass - one,

£262.99
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Aquascaping rocks fish tank - aquascaping,

Aquascaping rocks fish tank - aquascaping,

£9.65
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Starter betta tank gallon - betta,

Starter betta tank gallon - betta,

£21.39
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Fluval 20l betta aquarium fish - fluval,

Fluval 20l betta aquarium fish - fluval,

£9.45
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Small transparent acrylic - small,

Small transparent acrylic - small,

£14.49
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Pack nano aquarium tank - ,

Pack nano aquarium tank - ,

£20.29
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Fluval betta premium aquarium - betta,

Fluval betta premium aquarium - betta,

£99.99
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Pcs 1x8x10 5cm - pcs, 17.1x8x10.5cm

Pcs 1x8x10 5cm - pcs, 17.1x8x10.5cm

£9.71
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Multi function betta tank - betta,

Multi function betta tank - betta,

£14.20
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Desktop fish tank - desktop,

Desktop fish tank - desktop,

£8.19
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Fluval betta premium fighter - betta,

Fluval betta premium fighter - betta,

£99.99
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Complete betta fish - fish, starter

Complete betta fish - fish, starter

£24.99
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Aqua one betta - sanctuary, 10l

Aqua one betta - sanctuary, 10l

£74.90
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Household betta tank - household,

Household betta tank - household,

£41.85
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£58.34
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Aquarium fish tank ornament - tank,

Aquarium fish tank ornament - tank,

£19.99
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Ciano cube litre - ciano,

Ciano cube litre - ciano,

£55.97
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Aqua one pico - aqua,

Aqua one pico - aqua,

£29.99
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Small fish tank - small,

Small fish tank - small,

£21.39
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Betta choice acrylic cylinder - acrylic,

Betta choice acrylic cylinder - acrylic,

£87.97
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Betta fish tank - betta, with

Betta fish tank - betta, with

£25.66
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Complete betta starter - betta,

Complete betta starter - betta,

£22.69
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Aquarium fish tank kit 3 - aquarium,

Aquarium fish tank kit 3 - aquarium,

£58.90
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Aquarium fish tank kit 3 - tank, kit,

Aquarium fish tank kit 3 - tank, kit,

£59.48
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Aqua one betta - betta, tank

Aqua one betta - betta, tank

£72.99
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Desktops mini fish - mini, with

Desktops mini fish - mini, with

£10.22
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Black aqua one betta - due, glass

Black aqua one betta - due, glass

£99.99
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2pcs betta small fish tanks - 2pcs,

2pcs betta small fish tanks - 2pcs,

£19.98
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Fluval betta 20l - aquarium, kit

Fluval betta 20l - aquarium, kit

£84.95
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Aquarium artificial leaf - artificial,

Aquarium artificial leaf - artificial,

£3.97
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Assorted color reusable betta - color,

Assorted color reusable betta - color,

£8.68
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2gal small aquarium - 1.2gal, betta

2gal small aquarium - 1.2gal, betta

£22.69
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Betta stony cave - stony,

Betta stony cave - stony,

£13.99
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Aqua one betta trio glass - one,

Aqua one betta trio glass - one,

£132.99
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Transparent fish tank acrylic - transparent,

Transparent fish tank acrylic - transparent,

£49.99
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Craftsboys aquarium - craftsboys,

Craftsboys aquarium - craftsboys,

£36.22
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2pcs betta small fish tanks - 2pcs,

2pcs betta small fish tanks - 2pcs,

£19.98
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Large aquarium cave hide for - cave,

Large aquarium cave hide for - cave,

£37.99
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Betta fish tank mini - fish,

Betta fish tank mini - fish,

£18.78
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Compact desktop fish tank - desktop,

Compact desktop fish tank - desktop,

£39.99
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2pcs betta small fish - 2pcs,

2pcs betta small fish - 2pcs,

£20.89
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Gallon betta tank small - gallon,

Gallon betta tank small - gallon,

£21.39
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Simulated lotus leaves - simulated,

Simulated lotus leaves - simulated,

£2.69
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Complete gallon fish tank - gallon,

Complete gallon fish tank - gallon,

£21.39
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2pcs betta small fish tanks - fish,

2pcs betta small fish tanks - fish,

£19.99
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2pcs betta small fish - betta,

2pcs betta small fish - betta,

£19.95
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Compact betta fish tank - compact,

Compact betta fish tank - compact,

£22.69
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2pcs betta small - 2pcs, fish

2pcs betta small - 2pcs, fish

£19.69
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Acrylic wallmounted fish tank - fish,

Acrylic wallmounted fish tank - fish,

£14.45
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Transparent betta fish tank - transparent,

Transparent betta fish tank - transparent,

£7.64
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Mini desktop aquarium - , betta

Mini desktop aquarium - , betta

£18.05
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Aquarium acorn tree cave - acorn,

Aquarium acorn tree cave - acorn,

£14.99
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2pcs betta small - 2pcs,

2pcs betta small - 2pcs,

£19.98
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2pcs betta small - fish, tanks

2pcs betta small - fish, tanks

£19.95
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Zoo med floating betta - med,

Zoo med floating betta - med,

£12.10
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15x10x20 for elegant - 15x10x20,

15x10x20 for elegant - 15x10x20,

£23.98
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Mini betta fish tank - mini,

Mini betta fish tank - mini,

£16.81
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Count plastic fish tank - 2,

Count plastic fish tank - 2,

£14.81
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Craftsboys aquarium - 4.5l,

Craftsboys aquarium - 4.5l,

£34.95
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Betta air action train - air,

Betta air action train - air,

£18.49
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Betta fish tank accessories 3 - fish,

Betta fish tank accessories 3 - fish,

£8.10
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Betta frigate piece aquarium - betta,

Betta frigate piece aquarium - betta,

£49.46
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Aquarium kit bedroom - aquarium,

Aquarium kit bedroom - aquarium,

£38.39
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Zoo med betta - med, nano

Zoo med betta - med, nano

£20.00
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Shrimp breeding cave aquarium - shrimp,

Shrimp breeding cave aquarium - shrimp,

£2.37
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Led light betta tank - tank,

Led light betta tank - tank,

£22.39
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Multi function aquarium tank - aquarium,

Multi function aquarium tank - aquarium,

£28.02
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Pcs betta hammock - betta, &

Pcs betta hammock - betta, &

£6.23
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2pcs betta small - small, fish

2pcs betta small - small, fish

£19.95
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Betta fish tank - fish,

Betta fish tank - fish,

£11.92
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Extra large helicopter - extra,

Extra large helicopter - extra,

£45.15
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Shrimp breeding cave - shrimp, aquarium

Shrimp breeding cave - shrimp, aquarium

£2.99
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Betta choice lifespace view - betta,

Betta choice lifespace view - betta,

£105.01
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Durable acrylic small - acrylic, fish

Durable acrylic small - acrylic, fish

£13.45
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Betta choice lifespace view - choice,

Betta choice lifespace view - choice,

£109.99
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Zoomed betta log - zoomed,

Zoomed betta log - zoomed,

£12.19
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Led light betta tank - led,

Led light betta tank - led,

£22.69
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2pc floating betta fish - floating,

2pc floating betta fish - floating,

£12.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£65.81
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Fish tank gallon - fish,

Fish tank gallon - fish,

£41.80
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📊96 listings · from £2.37 · avg £37.48

Browse 96 betta fish tanks listings currently in our index. Prices range from £2.37 to £262.99, with an average of £37.48. 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 →

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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 £2.37, while premium listings can reach £262.99 — giving you a wide budget spread to work with. The average price of £37.48 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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