Square aquarium
Square aquarium for sale on Ireland's largest auction and classifieds sites
Aqua one cube square glass - aqua, - £76.99
Removable glass lid • Ensures easy access • Feeding maintenance modern - Free postage - New and Used
Removable glass lid • Ensures easy access • Feeding maintenance modern - Free postage - New and Used
Aquarium breeder box - aquarium, - £24.99
Printed aquarium breeder • Box air driven • Fry tray made - Free postage - New and Used
Printed aquarium breeder • Box air driven • Fry tray made - Free postage - New and Used
Modern fish aquarium - modern, - £94.99
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
Modern aquarium stand fish - modern, - £49.99
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
Looking for more square aquarium?
Search eBay live — fresh results filtered for the best value, updated every hour.
Aquarium floating plant - aquarium, - £6.45
Floating plant rings • Perfect aquascaping allowing • You direct light - Free postage - New and Used
Floating plant rings • Perfect aquascaping allowing • You direct light - Free postage - New and Used
📊
48 listings · from £2.03 · avg £54.22
⚠️ These listings were last updated more than 95 days ago.
Search for fresh listings
Browse 48 square aquarium listings currently in our index. Prices range from £2.03 to £299, with an average of £54.22. 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 square aquarium →
Aquarium floating plant ring - aquarium, - £11.95
This square ring • Creates clear feeding • Breathing zone bettas - Free postage - New and Used
This square ring • Creates clear feeding • Breathing zone bettas - Free postage - New and Used
Small aquarium tank with - small, - £8.99
Fish tank clamp • Light applicable office • Bedroom desktop etc - Free postage - New and Used
Fish tank clamp • Light applicable office • Bedroom desktop etc - Free postage - New and Used
Square cut filter - cut, - £132.99
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Java moss growing shelf - shelf, ledge - £6.59
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
Aqua one aqualume glass - one, - £99.99
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Aquarium ornament roman - ornament, - £28.50
This would create • Nice underwater landscape • Give depth interest - Free postage - New and Used
This would create • Nice underwater landscape • Give depth interest - Free postage - New and Used
Fish tank with stand and - fish, - £37.10
Clean fish tank • Urgently needs sold • Multiple design accessories - Free postage - New and Used
Clean fish tank • Urgently needs sold • Multiple design accessories - Free postage - New and Used
Aquarium shelf plant ledge - shelf, - £6.99
Give your betta • Comfortable resting spot • Hammock moss ledge - Free postage - New and Used
Give your betta • Comfortable resting spot • Hammock moss ledge - Free postage - New and Used
Biorb flow aquarium fish - aquarium, - £144.99
Biorb flow has • Distinctive shape three • Transparent sides that - Free postage - New and Used
Biorb flow has • Distinctive shape three • Transparent sides that - Free postage - New and Used
Aqua one betta - aqua, sanctuary - £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
Modern aquarium stand fish - aquarium, - £69.93
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
Desktop small aquarium - desktop, - £8.04
Coffee pot kettle • Strainer water induction • Cooker gas stove - Free postage - New and Used
Coffee pot kettle • Strainer water induction • Cooker gas stove - Free postage - New and Used
Transparent goldfish tank - , - £11.85
Round terrarium bowl • Fish tank betta • Desktop aquarium perfect - Free postage - New and Used
Round terrarium bowl • Fish tank betta • Desktop aquarium perfect - Free postage - New and Used
Modern aquarium stand fish - aquarium, - £53.70
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
Moss growing shelf ledge - shelf, mesh - £4.94
5cm round 7.5cm - Free postage - New and Used
5cm round 7.5cm - Free postage - New and Used
Umbra 2009 fishhotel fish bowl - 2009, - £24.99
This has been • Opened but hasn • Used comes original - Free postage - New and Used
This has been • Opened but hasn • Used comes original - Free postage - New and Used
Floating aquarium feeding - floating, - £2.03
Floating aquarium square • Feeding plant control • Keeps fish food - Free postage - New and Used
Floating aquarium square • Feeding plant control • Keeps fish food - Free postage - New and Used
Transparent goldfish tank - , - £14.45
Aquarium background reptile • Fish tank backdrop • Perfect choice both - Free postage - New and Used
Aquarium background reptile • Fish tank backdrop • Perfect choice both - Free postage - New and Used
Aqua one 25l - aqua, - £74.99
Factory fitted black • Vinyl back glass • Highlight aquarium cor - Free postage - New and Used
Factory fitted black • Vinyl back glass • Highlight aquarium cor - Free postage - New and Used
Small flexible aquarium - flexible, fish - £5.81
Type aquarium fishnet • Shrimp catching cleaning • Catches little fish - Free postage - New and Used
Type aquarium fishnet • Shrimp catching cleaning • Catches little fish - Free postage - New and Used
Aquarium coral frag rack - rack, plug - £9.72
Frag plugs coral • Discs are made • From aragonite crushed - Free postage - New and Used
Frag plugs coral • Discs are made • From aragonite crushed - Free postage - New and Used
Fluval premium betta aquarium - fluval, - £119.99
Fluval betta premium • Aquarium kit 20l • Filtration multiple slots - Free postage - New and Used
Fluval betta premium • Aquarium kit 20l • Filtration multiple slots - Free postage - New and Used
Aquarium feeding ring fish - feeding, - £5.09
Type suction cup • Fish feeder color • Transparent - Free postage - New and Used
Type suction cup • Fish feeder color • Transparent - Free postage - New and Used
Fluval hang breeding box - hang-on, - £22.88
Safe secure tank • Breeding isolating acclimatizing • Fish space saving - Free postage - New and Used
Safe secure tank • Breeding isolating acclimatizing • Fish space saving - Free postage - New and Used
Fish tank with equipment - fish, - £52.70
This fish tank • Square shaped aquarium • Capacity litres made - Free postage - New and Used
This fish tank • Square shaped aquarium • Capacity litres made - Free postage - New and Used
Aquarium stand fish tank - aquarium, - £59.39
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
Aquarium stand fish tank - aquarium, - £129.99
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
Fish tank feeding ring - tank, - £7.07
Fish tank portals • Aquarium plant corral • Basic shapes floating - Free postage - New and Used
Fish tank portals • Aquarium plant corral • Basic shapes floating - Free postage - New and Used
Nickelodeon spongebob square - nickelodeon, - £12.99
Stas picture hanging • Systems hooks cords • Rail bw18000 new - Free postage - New and Used
Stas picture hanging • Systems hooks cords • Rail bw18000 new - Free postage - New and Used
Biorb flow mcr led - biorb, - £141.90
Biorb flow • Want tropical acrylic • Heater stand allow - Free postage - New and Used
Biorb flow • Want tropical acrylic • Heater stand allow - Free postage - New and Used
Desktop small aquarium - desktop, - £11.49
User friendly design • This mini aquarium • Ensuring easy use - Free postage - New and Used
User friendly design • This mini aquarium • Ensuring easy use - Free postage - New and Used
Nickelodeon spongebob square - nickelodeon, - £37.10
Nice set off • Spongebob tank ornaments • Used - Free postage - New and Used
Nice set off • Spongebob tank ornaments • Used - Free postage - New and Used
Aquarium square fishing net - fishing, - £4.79
Applicable scenes fish • Tank aquarium shrimp • Reach deep areas - Free postage - New and Used
Applicable scenes fish • Tank aquarium shrimp • Reach deep areas - Free postage - New and Used
Hozelock cyprio outdoor - cyprio, - £299.00
Create beautifully illuminated • Display simply clipping • Hozelock cyprio multipurpose - Free postage - New and Used
Create beautifully illuminated • Display simply clipping • Hozelock cyprio multipurpose - Free postage - New and Used
Xiaomi intelligent fish - xiaomi, tank - £205.38
Gross weight 8.8kg • 7.3kg product color • Deep space gray - Free postage - New and Used
Gross weight 8.8kg • 7.3kg product color • Deep space gray - Free postage - New and Used
Ista hang breeding - ista, on - £10.99
Ista hang breeding • Trap that does • Not occupy space - Free postage - New and Used
Ista hang breeding • Trap that does • Not occupy space - Free postage - New and Used
Aquarium shelf plant ledge - aquarium, - £11.99
Looking make your • Aquarium more comfortable • Visually stunning this - Free postage - New and Used
Looking make your • Aquarium more comfortable • Visually stunning this - Free postage - New and Used
Aqua one betta sanctuary - aqua, - £83.75
Aqua one betta • Sanctuary 10l together • Preset heater keep - Free postage - New and Used
Aqua one betta • Sanctuary 10l together • Preset heater keep - Free postage - New and Used
10pcs round square aquarium - 5/10pcs, round/square - £3.59
Floating plant corral • You will receive • Different sizes suitable - Free postage - New and Used
Floating plant corral • You will receive • Different sizes suitable - Free postage - New and Used
Murano glass tray 5 - tray, - £26.69
Label still attached • Made ballarin square • Aquarium fish scene - Free postage - New and Used
Label still attached • Made ballarin square • Aquarium fish scene - Free postage - New and Used
Fluval betta 20l natural - fluval, - £124.99
From fluval range • Quick clear clears • Cloudy water fresh - Free postage - New and Used
From fluval range • Quick clear clears • Cloudy water fresh - Free postage - New and Used
Aquarium stand fish - aquarium, - £124.97
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
This aquarium stand • Provides stable support • Secure display space - Free postage - New and Used
Mini fish tank desktop - tank, - £15.96
Breeding box high • Definition tank aquarium • Hatchery incubator isolation - Free postage - New and Used
Breeding box high • Definition tank aquarium • Hatchery incubator isolation - Free postage - New and Used
Try this: vermiculite reptile incubation | pooter | feliway plug | spaniel food bowl | gecko vivarium | joules cot | bird seed hopper | bee suit | chicken nest box | uvb light
Shop by budget
Everything you need to know about square aquarium
Whether you are looking for a brand-new or second-hand square 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 £2.03, while premium listings can reach £299 — giving you a wide budget spread to work with. The average price of £54.22 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.