Seahorse aquarium
Seahorse aquarium for sale on Ireland's largest auction and classifieds sites
Colourful artificial - 8, x - £9.99
Perfectly weighted balanced • Swim down amongst • Bubbles set fish - Free postage - New and Used
Perfectly weighted balanced • Swim down amongst • Bubbles set fish - Free postage - New and Used
Oase biorb pack seahorse - oase, - £7.49
Genuine oase biorb • Add character your • Seahorse set complete - Free postage - New and Used
Genuine oase biorb • Add character your • Seahorse set complete - Free postage - New and Used
Aqua one air operated - one, - £13.85
Aqua one airline • Will oxygenate aerate • Your tropical coldwater - Free postage - New and Used
Aqua one airline • Will oxygenate aerate • Your tropical coldwater - Free postage - New and Used
Lego creator sea - lego, 3 - £33.95
Lego creator 3in1 • Sea animals 31158 • Set makes great - Free postage - New and Used
Lego creator 3in1 • Sea animals 31158 • Set makes great - Free postage - New and Used
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Biorb seahorse ornament black - biorb, - £38.95
Biorb mistletoe holly • Product 140mm suitable • Tanks large 130 - Free postage - New and Used
Biorb mistletoe holly • Product 140mm suitable • Tanks large 130 - Free postage - New and Used
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48 listings · from £2.98 · avg £21.21
⚠️ These listings were last updated more than 102 days ago.
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Browse 48 seahorse aquarium listings currently in our index. Prices range from £2.98 to £100.36, with an average of £21.21. 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 seahorse aquarium →
Floating sea horse glowing - sea, - £4.91
Soft flexible beautiful • Glowing sea horses • Invisible line sucker - Free postage - New and Used
Soft flexible beautiful • Glowing sea horses • Invisible line sucker - Free postage - New and Used
Biorb fish tank decorations - biorb, - £20.56
When you see • Experience many different • Those elements are - Free postage - New and Used
When you see • Experience many different • Those elements are - Free postage - New and Used
Bcuk frozen mysis - bcuk, fish - £15.95
Frozen mysis shrimp • Great food your • Fish higher natural - Free postage - New and Used
Frozen mysis shrimp • Great food your • Fish higher natural - Free postage - New and Used
Betta butterfly seahorse - betta, - £9.99
Betta butterfly seahorse • Colourful attractive piece • Decor any children - Free postage - New and Used
Betta butterfly seahorse • Colourful attractive piece • Decor any children - Free postage - New and Used
Biorb seahorse ornament - biorb, - £7.49
Genuine oase biorb • Can also used • Other types aquarium - Free postage - New and Used
Genuine oase biorb • Can also used • Other types aquarium - Free postage - New and Used
Betta rainbow seahorse - betta, - £10.26
This perfect partner • Betta mini unicorn • Whale - Free postage - New and Used
This perfect partner • Betta mini unicorn • Whale - Free postage - New and Used
Wade 1970s seahorse - 1970s, aquarium - £83.99
Wade bridge from • Aquarium set king • Aquariums ltd 1976 - Free postage - New and Used
Wade bridge from • Aquarium set king • Aquariums ltd 1976 - Free postage - New and Used
Artificial jellyfish tropical - artificial, - £3.59
Line suction cup • When using take • Out simulated fish - Free postage - New and Used
Line suction cup • When using take • Out simulated fish - Free postage - New and Used
Artificial glowing seahorse - glowing, - £4.18
Wings are very • Elegant whole body • Can absorb light - Free postage - New and Used
Wings are very • Elegant whole body • Can absorb light - Free postage - New and Used
Rppc seahorse aquarium photo - rppc, - £100.36
Most accurate representation • Condition encourage you • Carefully examine high - Free postage - New and Used
Most accurate representation • Condition encourage you • Carefully examine high - Free postage - New and Used
Starfish seahorse cotton - starfish, - £70.00
Extra wide fabric • 182cm - Free postage - New and Used
Extra wide fabric • 182cm - Free postage - New and Used
Floating sea horse - sea, glowing - £4.19
Lights aquarium reflect • Off fluorescent colours • Appear glowing your - Free postage - New and Used
Lights aquarium reflect • Off fluorescent colours • Appear glowing your - Free postage - New and Used
Betta minis set pieces - minis, - £20.77
This pack mini • Aquarium safe ornaments • Includes duck pelican - Free postage - New and Used
This pack mini • Aquarium safe ornaments • Includes duck pelican - Free postage - New and Used
Quality resin seahorse - 4, fish - £2.98
Turn your aquarium • Into beautiful landscape • Decorate tabletop room - Free postage - New and Used
Turn your aquarium • Into beautiful landscape • Decorate tabletop room - Free postage - New and Used
Aquarium christmas ornaments - christmas, - £3.49
Gravel rocks are • Not included safe • Use fish plants - Free postage - New and Used
Gravel rocks are • Not included safe • Use fish plants - Free postage - New and Used
Silicone glowing artificial - glowing, - £6.36
Wings are very • Elegant whole body • Can absorb light - Free postage - New and Used
Wings are very • Elegant whole body • Can absorb light - Free postage - New and Used
Oase biorb decorative pack - biorb, - £16.49
Can also used • Other types aquarium • Genuine oase biorb - Free postage - New and Used
Can also used • Other types aquarium • Genuine oase biorb - Free postage - New and Used
Fish tank aquascape - tank, - £8.00
Perfect creating visually • Appealing aquascape your • Aquatic pets special - Free postage - New and Used
Perfect creating visually • Appealing aquascape your • Aquatic pets special - Free postage - New and Used
Biorb seahorses coral - on, - £46.49
Fine details realistic • Qualities biorb seahorses • Coral are perfectly - Free postage - New and Used
Fine details realistic • Qualities biorb seahorses • Coral are perfectly - Free postage - New and Used
Wooden mdf seahorse shapes - wooden, - £10.40
Mdf shapes • Baking cooking • Sport hobby - Free postage - New and Used
Mdf shapes • Baking cooking • Sport hobby - Free postage - New and Used
Aquarium sealife seahorse - sealife, - £11.95
Closure type plain • Cream cotton envelope • Back easy insertion - Free postage - New and Used
Closure type plain • Cream cotton envelope • Back easy insertion - Free postage - New and Used
Aquarium christmas ornaments - aquarium, - £3.50
Olaf 6x3.5x3.5cm gravel • Rocks background photo • Are not included - Free postage - New and Used
Olaf 6x3.5x3.5cm gravel • Rocks background photo • Are not included - Free postage - New and Used
Biorb seahorses coral black - biorb, - £35.29
Biorb samuel baker • Sculptures are easy • Fit remove simply - Free postage - New and Used
Biorb samuel baker • Sculptures are easy • Fit remove simply - Free postage - New and Used
Biorb seahorse black - black, s - £49.66
Convenience mind this • Sculpture thoughtfully sized • Fit seamlessly into - Free postage - New and Used
Convenience mind this • Sculpture thoughtfully sized • Fit seamlessly into - Free postage - New and Used
Aquarium seahorse navy - seahorse, cotton - £47.97
Wipe clean cotton • Pvc oilcloth tablecloth • All sizes available - Free postage - New and Used
Wipe clean cotton • Pvc oilcloth tablecloth • All sizes available - Free postage - New and Used
Biorb seahorses coral - on, - £45.99
Biorb samuel baker • Sculptures are easy • Fit remove simply - Free postage - New and Used
Biorb samuel baker • Sculptures are easy • Fit remove simply - Free postage - New and Used
Aquarium seahorse duckegg - aquarium, - £8.99
Wipe clean cotton • Pvc oilcloth tablecloth • All sizes available - Free postage - New and Used
Wipe clean cotton • Pvc oilcloth tablecloth • All sizes available - Free postage - New and Used
Sealife aquarium sea - sealife, - £5.45
Very good used • Condition - Free postage - New and Used
Very good used • Condition - Free postage - New and Used
Soft silicone aquarium - silicone, - £3.40
Silicone material easy • Clean will not • Fade discolor over - Free postage - New and Used
Silicone material easy • Clean will not • Fade discolor over - Free postage - New and Used
Scarce vintage wade whimsies - scarce, - £59.99
Condition good please • Study photos they • Form part description - Free postage - New and Used
Condition good please • Study photos they • Form part description - Free postage - New and Used
Pcs fish tank decorative - 2, - £5.18
This product set • Off ish tank • Sea horse adds - Free postage - New and Used
This product set • Off ish tank • Sea horse adds - Free postage - New and Used
Fish tank floating - tank, decorations - £4.26
Fish tank decorations • Vivid color lifelike • Appearance underwater decoration - Free postage - New and Used
Fish tank decorations • Vivid color lifelike • Appearance underwater decoration - Free postage - New and Used
Seahorse fish feeding - /, - £14.99
Seahorse fish feeding • Ring also included • Keeping you flake - Free postage - New and Used
Seahorse fish feeding • Ring also included • Keeping you flake - Free postage - New and Used
Durable waterproof piece - durable, 8-piece - £14.97
Transform your aquatic • Oasis our exquisite8 • Piece tropical fish - Free postage - New and Used
Transform your aquatic • Oasis our exquisite8 • Piece tropical fish - Free postage - New and Used
Biorb seahorses coral - on, - £35.29
Biorb samuel baker • Sculptures are easy • Fit remove simply - Free postage - New and Used
Biorb samuel baker • Sculptures are easy • Fit remove simply - Free postage - New and Used
Biorb sea horse black - horse, - £14.90
Genuine oase biorb • Can also used • Other types aquarium - Free postage - New and Used
Genuine oase biorb • Can also used • Other types aquarium - Free postage - New and Used
Fish tank ornament creative - ornament, - £11.19
Can used party • Toy fish tank • Decor etc made - Free postage - New and Used
Can used party • Toy fish tank • Decor etc made - Free postage - New and Used
Light mermaid terrarium - light-up, - £11.91
Sand preserved moss • About this item • Imaginative mermaid set - Free postage - New and Used
Sand preserved moss • About this item • Imaginative mermaid set - Free postage - New and Used
Seahorse luminous ornament - seahorse, - £9.07
Easy install clean • Very lifelike when • There water flowing - Free postage - New and Used
Easy install clean • Very lifelike when • There water flowing - Free postage - New and Used
Tank floating decorations - tank, - £4.32
Tank decorations floating • Fake vivid color • Lifelike appearance underwater - Free postage - New and Used
Tank decorations floating • Fake vivid color • Lifelike appearance underwater - Free postage - New and Used
Glowing fish tank decoration - , - £7.98
Mysterious romantic atmosphere • Your tank made • Safe glass this - Free postage - New and Used
Mysterious romantic atmosphere • Your tank made • Safe glass this - Free postage - New and Used
Pcs silicone fish - pcs, - £12.99
Unique jellyfish decoration • Will give your • Aquarium different color - Free postage - New and Used
Unique jellyfish decoration • Will give your • Aquarium different color - Free postage - New and Used
Aquarium seahorse natural - aquarium, - £44.17
Wipe clean cotton • Pvc oilcloth tablecloth • All sizes available - Free postage - New and Used
Wipe clean cotton • Pvc oilcloth tablecloth • All sizes available - Free postage - New and Used
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Everything you need to know about seahorse aquarium
Whether you are looking for a brand-new or second-hand seahorse 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 £2.98, while premium listings can reach £100.36 — giving you a wide budget spread to work with. The average price of £21.21 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.