Custom fish tanks
Custom fish tanks for sale on Ireland's largest auction and classifieds sites
Budget picks — under £58
Floating plant ring • Enhance your aquascape • This practical stylish - Free postage - New and Used
Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900 - Free postage - New and Used
Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900 - Free postage - New and Used
Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900 - Free postage - New and Used
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Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900 - Free postage - New and Used
Browse 48 custom fish tanks listings currently in our index. Prices range from £7.99 to £59999, with an average of £3414.43. 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 fish tanks →
Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900 - Free postage - New and Used
Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900 - Free postage - New and Used
About our aquariums • Are built practicality • Useability mind bracing - Free postage - New and Used
Datoo fish breeding • Box how protect • Will give you - Free postage - New and Used
- Free postage - New and Used
This product because • Was fed sticky • Food building around - Free postage - New and Used
Used fish tank • Plastic egg crate • Aquarium divider usage - Free postage - New and Used
360 indicator light • Ring displays heat • Mode clearly from - Free postage - New and Used
These fish tank • Background vinyls are • High guality please - Free postage - New and Used
Pnw custom frag • Flat perfect when • You have ton - Free postage - New and Used
Eraark 1.5 gallon • Betta fish tank • Aquarium kit filter - Free postage - New and Used
Mid-range — £60 to £670
Effortlessly reduce evaporation • Keep your fish • Secure don settle - Free postage - New and Used
Toreduce water evaporation • Prevent fish from • Jumping this durable - Free postage - New and Used
Micro reef ready • Tank includes built • Overflow plumbing set - Free postage - New and Used
Tank maintainthe safety • Users our products • Float glass thickness - Free postage - New and Used
Worked years this • Was custom built • Fit inside ikea - Free postage - New and Used
Float glass thickness • 8mm signature required • You not this - Free postage - New and Used
Set includes mat • Glass lids float • Thickness 8mm signature - Free postage - New and Used
Set includes mat • Glass lids float • Thickness 8mm signature - Free postage - New and Used
Set includes glass • Thickness 8mm front • Signature required your - Free postage - New and Used
Photo shows type • Aquarium not actual • Made opti white - Free postage - New and Used
Our aquariums glass • Properly machined cut • Maintain tank weight - Free postage - New and Used
Aquarium pickup pallet • Must tank weight • About our aquariums - Free postage - New and Used
Rimless aquarium our • Aquariums glass properly • Machined cut tank - Free postage - New and Used
L150 w40cm h60 • Float glass thickness • 10mm black silicone - Free postage - New and Used
L193 h47 d35cm • Two adult will • Required collect aquarium - Free postage - New and Used
Custom tank aquariums4life • 7ft long fish • Specifically marine aquariums - Free postage - New and Used
Premium — over £845
L210 h63 w45cm • One adult will • Required collect aquarium - Free postage - New and Used
L210 h63 w45cm • One adult will • Required collect aquarium - Free postage - New and Used
Float glass thickness • Signature required you • Not this your - Free postage - New and Used
Float glass thickness • Signature required you • Not this your - Free postage - New and Used
Weight aquarium about • Lighting filter modern • Unique style cabinet - Free postage - New and Used
Make custom made • Aquariums type aquarium • Matching strong cabinets - Free postage - New and Used
Make custom made • Aquariums type aquarium • Matching strong cabinets - Free postage - New and Used
Reef tank • Transform your space • Setup large clownfish - Free postage - New and Used
Aquarium will make • Custom made aquariums • Matching strong cabinets - Free postage - New and Used
Make custom made • Aquariums type aquarium • Matching strong cabinets - Free postage - New and Used
Aquarium will make • Custom made aquariums • Matching strong cabinets - Free postage - New and Used
Will make all • Types aquariums freshwater • Type aquarium signature - Free postage - New and Used
Will make all • Types aquariums freshwater • Saltwater tropical various - Free postage - New and Used
Aquarium premium all • Sizes types fish • Tank will make - Free postage - New and Used
Make custom made • Aquariums type aquarium • Signature required confirming - Free postage - New and Used
Aquarium premium last • Will serve reception • Desk can make - Free postage - New and Used
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🔥 Best eBay deals on custom fish tanks
See all listings on eBay →These 48 listings for custom fish tanks are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
Floating Plant Ring Aquarium
Floating plant ring • Enhance your aquascape • This practical stylish
£8
Custom Steel Stand made to
Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900
£9
Custom Steel Stand made to
Powder coating • Buy now adjustable • Foot 10x3x3 3000x900x900
£9
Everything you need to know about custom fish tanks
Whether you are looking for a brand-new or second-hand custom fish tanks, 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 £7.99, while premium listings can reach £59999 — giving you a wide budget spread to work with. The average price of £3414.43 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.