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Custom aquariums

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Custom aquariums for sale on largest auction and classifieds sites

Home / Fish & Aquariums / Custom aquariums refurbished & used for sale | For Sale UK
Custom solid polycarbonate - custom,

Custom solid polycarbonate - custom,

£250.00
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Small one peninsula pro - small-in-one,

Small one peninsula pro - small-in-one,

£203.50
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Vehipa gal fish tank - 2.4-gal,

Vehipa gal fish tank - 2.4-gal,

£71.27
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Custom fit inch glass top - custom,

Custom fit inch glass top - custom,

£49.99
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Top fin custom colorflow - custom,

Top fin custom colorflow - custom,

£48.00
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Aquarium lid custom size - aquarium,

Aquarium lid custom size - aquarium,

£50.00
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Custom cut cholla wood pick - custom,

Custom cut cholla wood pick - custom,

£1.97
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Top fin custom colorflow - top, colorflow™

Top fin custom colorflow - top, colorflow™

£140.00
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Custom themed aquarium - themed,

Custom themed aquarium - themed,

£2.23
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Versatile clear glass - glass, aquarium

Versatile clear glass - glass, aquarium

£17.56
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Top fin custom colorflow - fin,

Top fin custom colorflow - fin,

£69.00
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Lightweight inch all glass - lightweight,

Lightweight inch all glass - lightweight,

£17.09
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Custom fiberglass aquarium - fiberglass,

Custom fiberglass aquarium - fiberglass,

£8111.75
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Glass small one gallon - glass, small-in-one

Glass small one gallon - glass, small-in-one

£179.30
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Top fin custom colorflow - top,

Top fin custom colorflow - top,

£14.99
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All glass aquarium - glass,

All glass aquarium - glass,

£15.12
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Pcs highdensity aquarium - pcs,

Pcs highdensity aquarium - pcs,

£27.79
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Gallon glass aquarium - glass,

Gallon glass aquarium - glass,

£57.88
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Adjustable mesh aquarium lid - adjustable,

Adjustable mesh aquarium lid - adjustable,

£36.00
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Fish tank glass lid - fish,

Fish tank glass lid - fish,

£52.49
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Rimless glass fish tank easy - rimless,

Rimless glass fish tank easy - rimless,

£55.64
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Pnw custom nano reef aquarium - nano,

Pnw custom nano reef aquarium - nano,

£155.00
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Aquarium skull decor resin - aquarium,

Aquarium skull decor resin - aquarium,

£15.99
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Pack custom accessories - 2,

Pack custom accessories - 2,

£10.99
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Top fin custom colorflow - top,

Top fin custom colorflow - top,

£7.95
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Fish breeding box aquarium - fish,

Fish breeding box aquarium - fish,

£12.79
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Magnetic fish tank lid - fish,

Magnetic fish tank lid - fish,

£34.99
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Adjustable aquarium fish tank - adjustable,

Adjustable aquarium fish tank - adjustable,

£25.41
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Fish tank gallon - fish, aquarium

Fish tank gallon - fish, aquarium

£108.28
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Elegant inch all - 12-inch,

Elegant inch all - 12-inch,

£17.09
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Pcs adjustable aquarium fish - adjustable,

Pcs adjustable aquarium fish - adjustable,

£28.76
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Seaoura led aquarium light - seaoura,

Seaoura led aquarium light - seaoura,

£52.99
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Custom fit inch glass top - 24-inch,

Custom fit inch glass top - 24-inch,

£58.49
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Custom overflow for marine - for,

Custom overflow for marine - for,

£30.00
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Gallon glass aquarium - glass,

Gallon glass aquarium - glass,

£58.07
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Fish breeding box - fish,

Fish breeding box - fish,

£11.82
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Usa shipping aquarium nano - usa,

Usa shipping aquarium nano - usa,

£14.99
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Inch all glass aquarium - "12-inch,

Inch all glass aquarium - "12-inch,

£17.99
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Eraark gal betta - betta, fish

Eraark gal betta - betta, fish

£52.78
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Gallon fish tank aquarium - 2.4,

Gallon fish tank aquarium - 2.4,

£105.29
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8pcs fish tank divider - divider, 10

8pcs fish tank divider - divider, 10

£23.78
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Gallon custom glass - 3, fish

Gallon custom glass - 3, fish

£67.49
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All glass aquarium - all,

All glass aquarium - all,

£39.20
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Custom antique japanese - custom,

Custom antique japanese - custom,

£4799.00
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Custom fit magnetic mesh - fit,

Custom fit magnetic mesh - fit,

£32.82
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Betta fish tank - gallon, glass

Betta fish tank - gallon, glass

£108.54
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Top lids custom acrylic aio - top,

Top lids custom acrylic aio - top,

£79.00
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Aquarium grid plastic - plastic, fish

Aquarium grid plastic - plastic, fish

£24.43
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All glass aquarium aag29202 - aquarium,

All glass aquarium aag29202 - aquarium,

£16.95
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Custom filter socks holder - filter,

Custom filter socks holder - filter,

£39.00
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Pack cable grommets custom - cable,

Pack cable grommets custom - cable,

£15.99
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All glass aquarium - glass, aag29202

All glass aquarium - glass, aag29202

£17.72
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Eraark gallon betta - 1.5, fish

Eraark gallon betta - 1.5, fish

£64.99
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Gallon glass fish tank - gallon,

Gallon glass fish tank - gallon,

£64.95
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Micro reef ready - reef,

Micro reef ready - reef,

£186.99
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Gallon fish tank - 2.4,

Gallon fish tank - 2.4,

£79.99
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Dual aquarium light - ho, t5

Dual aquarium light - ho, t5

£109.99
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Top fin custom colorflow - top,

Top fin custom colorflow - top,

£7.85
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Linlan pieces highdensity - linlan, 8

Linlan pieces highdensity - linlan, 8

£24.43
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Serenetails aquarium hood - serenetails,

Serenetails aquarium hood - serenetails,

£179.99
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Aquarium full spectrum led - aquarium,

Aquarium full spectrum led - aquarium,

£43.33
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Fish tank aquarium - fish,

Fish tank aquarium - fish,

£85.81
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Extra thick hard plastic - hard,

Extra thick hard plastic - hard,

£49.99
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Pcs highdensity aquarium - pcs,

Pcs highdensity aquarium - pcs,

£25.29
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Aquarium skull decor - skull, decor,

Aquarium skull decor - skull, decor,

£14.35
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Fish tank gallon - fish,

Fish tank gallon - fish,

£83.98
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Pack bulb 39w aquarium - 6,

Pack bulb 39w aquarium - 6,

£80.99
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Black aquarium fish - black,

Black aquarium fish - black,

£30.93
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Frameless glass fish - frameless, tank

Frameless glass fish - frameless, tank

£56.30
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Gallon custom glass - gallon, fish

Gallon custom glass - gallon, fish

£73.76
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Custom hand made - custom,

Custom hand made - custom,

£400.00
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Aquarium landscape tree stump - aquarium,

Aquarium landscape tree stump - aquarium,

£19.99
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Aquarium decoration clay - decoration,

Aquarium decoration clay - decoration,

£14.98
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Aquarium floating betta - aquarium, fish

Aquarium floating betta - aquarium, fish

£19.99
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Linlan pieces highdensity - pieces,

Linlan pieces highdensity - pieces,

£22.67
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Aquarium decorations cave - aquarium,

Aquarium decorations cave - aquarium,

£25.00
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Pack bulb 54w - t5, aquarium

Pack bulb 54w - t5, aquarium

£90.99
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Stylish ultralight gallon - stylish,

Stylish ultralight gallon - stylish,

£61.74
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150 gallon 8ft - 150,

150 gallon 8ft - 150,

£5789.00
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All glass aquarium - glass,

All glass aquarium - glass,

£16.31
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Custom hand made nsa - custom,

Custom hand made nsa - custom,

£300.00
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Aquarium decoration custom - decoration,

Aquarium decoration custom - decoration,

£18.98
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Aquarium aag29024 glass versa - glass,

Aquarium aag29024 glass versa - glass,

£45.97
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Free customization message - customization, (message

Free customization message - customization, (message

£17.99
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Aquarium fish tank plastic - aquarium,

Aquarium fish tank plastic - aquarium,

£15.89
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Colingmill pcs aquarium - 2,

Colingmill pcs aquarium - 2,

£79.60
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Plastic grid divider tray egg - divider,

Plastic grid divider tray egg - divider,

£23.89
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Aquarium skull decor - aquarium, decor,

Aquarium skull decor - aquarium, decor,

£15.19
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Fish tank glass lid inch - fish,

Fish tank glass lid inch - fish,

£58.49
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Durable inch all glass - durable, 16-inch

Durable inch all glass - durable, 16-inch

£41.17
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Fish tank gallon aquarium - fish,

Fish tank gallon aquarium - fish,

£91.22
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Pcs 8x11 inch - 8,

Pcs 8x11 inch - 8,

£27.69
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Aquarium decorations log betta - decorations,

Aquarium decorations log betta - decorations,

£14.89
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Pcs aquarium acrylic fish - aquarium,

Pcs aquarium acrylic fish - aquarium,

£105.82
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8pc aquarium grid - aquarium,

8pc aquarium grid - aquarium,

£30.99
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Custom aquarium background - custom,

Custom aquarium background - custom,

£53.90
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Looking for more custom aquariums?

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📊96 listings · from £1.97 · avg £252.31
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 96 custom aquariums listings currently in our index. Prices range from £1.97 to £8111.75, with an average of £252.31. 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 custom aquariums →

Try this: desktop fish tank | dry reef rock | egg tumbler | fish tank coffee table | fish tank furniture | fish tank kit | fish tank stand | fluval edge aquarium | fluval fish tank | glass fish tank

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Everything you need to know about custom aquariums

Whether you are looking for a brand-new or second-hand custom aquariums, 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 £1.97, while premium listings can reach £8111.75 — giving you a wide budget spread to work with. The average price of £252.31 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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