Aquarium ornaments
Aquarium ornaments for sale on Ireland's largest auction and classifieds sites
Extra large castle fish - extra, - £79.99
Castle suitable any • Fish tank easy • Clean keep your - Free postage - New and Used
Castle suitable any • Fish tank easy • Clean keep your - Free postage - New and Used
Aquarium driftwood red moor - driftwood, - £26.99
Red moor wood • They also have • Biological function are - Free postage - New and Used
Red moor wood • They also have • Biological function are - Free postage - New and Used
Aquarium rock fish tank - aquarium, - £3.29
Not affect water • Nor its cloudiness • Suitable all types - Free postage - New and Used
Not affect water • Nor its cloudiness • Suitable all types - Free postage - New and Used
Fish tank ornament - tank, - £7.84
Flat bottom design • Just put slightly • Into water tank - Free postage - New and Used
Flat bottom design • Just put slightly • Into water tank - Free postage - New and Used
Looking for more aquarium ornaments?
Search eBay live — fresh results filtered for the best value, updated every hour.
Aquarium fish tank ornament - aquarium, - £14.98
Surface mountain has • Several interconnecting holes • Fish hide reducing - Free postage - New and Used
Surface mountain has • Several interconnecting holes • Fish hide reducing - Free postage - New and Used
📊
48 listings · from £2.91 · avg £16.76
⚠️ These listings were last updated more than 21 days ago.
Search for fresh listings
Browse 48 aquarium ornaments listings currently in our index. Prices range from £2.91 to £89.98, with an average of £16.76. 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 aquarium ornaments →
Large tall rock mountain - tall, - £29.95
Made from poly • Resin safe use • Fish plants - Free postage - New and Used
Made from poly • Resin safe use • Fish plants - Free postage - New and Used
Aquarium fish tank decor - aquarium, - £9.99
Material resin color • Picture show due • Light screen difference - Free postage - New and Used
Material resin color • Picture show due • Light screen difference - Free postage - New and Used
Aquarium fish tank ornament - aquarium, - £15.98
- Free postage - New and Used
- Free postage - New and Used
1pc fish tank ornament decor - 1pc, - £6.18
Change your aquarium • Into beautiful scenery • Vividly color detailed - Free postage - New and Used
Change your aquarium • Into beautiful scenery • Vividly color detailed - Free postage - New and Used
6pcs spongebob fish tank - 6pcs, - £5.74
I2.7c0dzpeozpeofp style box • Webkit tap highlight • Color transparent outline - Free postage - New and Used
I2.7c0dzpeozpeofp style box • Webkit tap highlight • Color transparent outline - Free postage - New and Used
Gnarly scapers wood aquarium - wood, - £89.98
This rare sought • After scaping wood • Highly detailed generally - Free postage - New and Used
This rare sought • After scaping wood • Highly detailed generally - Free postage - New and Used
Aquarium underground hiding - aquarium, - £13.58
- Free postage - New and Used
- Free postage - New and Used
Aquarium fish tank decor - aquarium, - £7.99
Material resin slight • Color variations may • Occur due lighting - Free postage - New and Used
Material resin slight • Color variations may • Occur due lighting - Free postage - New and Used
Aquarium cave decoration - aquarium, - £12.58
Height 8cm length • 23cm entrance 3.5x3.5cm • Depth 11cm - Free postage - New and Used
Height 8cm length • 23cm entrance 3.5x3.5cm • Depth 11cm - Free postage - New and Used
Aquarium cave decoration - aquarium, - £12.58
- Free postage - New and Used
- Free postage - New and Used
10pcs aquarium artificial - aquarium, - £6.01
Your lovely pet • Fish will very • Happy rest play - Free postage - New and Used
Your lovely pet • Fish will very • Happy rest play - Free postage - New and Used
Artificial barrel cave - barrel, - £4.59
1pc fish tank • Landscaping artificial barrel • Decor unique design - Free postage - New and Used
1pc fish tank • Landscaping artificial barrel • Decor unique design - Free postage - New and Used
Supa castle and bridge - and, - £11.17
Supa castle bridge • Pack beautifully aquarium • Decoration superb detail - Free postage - New and Used
Supa castle bridge • Pack beautifully aquarium • Decoration superb detail - Free postage - New and Used
Glowing effect artificial - glowing, - £3.99
Artificial aquarium jellyfish • Decoration attaches included • Suction cup nylon - Free postage - New and Used
Artificial aquarium jellyfish • Decoration attaches included • Suction cup nylon - Free postage - New and Used
Aquarium fish tank - tank, ornament - £9.58
14x4x4cm lxwxh 25x11x10cm - Free postage - New and Used
14x4x4cm lxwxh 25x11x10cm - Free postage - New and Used
Aquarium ornament tunnel head - tunnel, - £15.99
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
Aquarium oxygen pump air - oxygen, - £2.91
Easy install lightweight • Simple place your • Aquarium adding charm - Free postage - New and Used
Easy install lightweight • Simple place your • Aquarium adding charm - Free postage - New and Used
Cichlid stone cave aquarium - stone, - £5.49
Betta shrimp guppy • Snail will love • Suitable easy clean - Free postage - New and Used
Betta shrimp guppy • Snail will love • Suitable easy clean - Free postage - New and Used
1pc aquarium hollow - aquarium, hole - £5.06
Provides sense natural • Surroundings turn your • Aquarium into beautiful - Free postage - New and Used
Provides sense natural • Surroundings turn your • Aquarium into beautiful - Free postage - New and Used
Multifunctional aquarium - multifunctional, - £5.29
Material plastic - Free postage - New and Used
Material plastic - Free postage - New and Used
Shipwreck aquarium ornament - shipwreck, - £10.75
Gifts aquarium lovers • Ideal aquariums fish • Tanks display creates - Free postage - New and Used
Gifts aquarium lovers • Ideal aquariums fish • Tanks display creates - Free postage - New and Used
Grey natural moss stone effect - stone, - £18.98
Provides ideal hideaway • Multiple swim throughs • Grey natural moss - Free postage - New and Used
Provides ideal hideaway • Multiple swim throughs • Grey natural moss - Free postage - New and Used
Fshl0001 fluorescent jellyfish - fshl0001, - £3.95
Fluorescent jellyfish decoration • Attaches thin invisible • Line suction cup - Free postage - New and Used
Fluorescent jellyfish decoration • Attaches thin invisible • Line suction cup - Free postage - New and Used
Fish tank stone - fish, - £9.99
Stones will require • Rinsing before they • Can placed aquarium - Free postage - New and Used
Stones will require • Rinsing before they • Can placed aquarium - Free postage - New and Used
Aquarium wood fish tank tree - wood, - £9.71
Aquarium vivarium terrarium • Beautiful unique pieces • Red moor wood - Free postage - New and Used
Aquarium vivarium terrarium • Beautiful unique pieces • Red moor wood - Free postage - New and Used
Aquarium fish tank ornament - fish, - £19.98
13x8x21cm lxwxh - Free postage - New and Used
13x8x21cm lxwxh - Free postage - New and Used
Pack aquarium fish - 10, - £6.99
- Free postage - New and Used
- Free postage - New and Used
Superfish deco wood artificial - deco, - £20.65
Superfish forest deco • Wood realistic looking • Copies natural driftwood - Free postage - New and Used
Superfish forest deco • Wood realistic looking • Copies natural driftwood - Free postage - New and Used
Artificial water grass plant - artificial, - £5.12
16pcs mixed artificial • Green plastic plant • Aquarium fish tank - Free postage - New and Used
16pcs mixed artificial • Green plastic plant • Aquarium fish tank - Free postage - New and Used
Pcs spider wood for - wood, aquarium - £6.79
This product natural • Dead wood craft • Decor which realistic - Free postage - New and Used
This product natural • Dead wood craft • Decor which realistic - Free postage - New and Used
Ceramic ornaments aquarium - ornaments, - £6.49
Looking unique plant • Varieties sure check • Our collection rare - Free postage - New and Used
Looking unique plant • Varieties sure check • Our collection rare - Free postage - New and Used
Aquarium vivarium fish - aquarium, - £12.99
This great fish • Either swim through • Hide even breed - Free postage - New and Used
This great fish • Either swim through • Hide even breed - Free postage - New and Used
Aquarium fish tank ornament - aquarium, - £19.98
L18.5 h14.5cm - Free postage - New and Used
L18.5 h14.5cm - Free postage - New and Used
Aquarium stone rock - aquarium, natural - £62.63
Dark grey rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Dark grey rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Upgraded aquarium plant - aquarium, holder - £6.95
Unique designs there • Are many slits • Holes around bottom - Free postage - New and Used
Unique designs there • Are many slits • Holes around bottom - Free postage - New and Used
Crashed fighter plane - fighter, wreck - £18.98
Suitable hide catfish • Bottom dwelling fish • Multiple swim through - Free postage - New and Used
Suitable hide catfish • Bottom dwelling fish • Multiple swim through - Free postage - New and Used
Aquarium fish tank - aquarium, - £12.06
Can provide beautiful • Decoration your aquarium • Also excellent hiding - Free postage - New and Used
Can provide beautiful • Decoration your aquarium • Also excellent hiding - Free postage - New and Used
Extra large galleon - extra, - £79.95
Both halves together • Keep your decoration • Looking its best - Free postage - New and Used
Both halves together • Keep your decoration • Looking its best - Free postage - New and Used
Swell artificial - swell, - £8.03
Swell astragalus tiered • Tree artificial plant • Leaves white flowers - Free postage - New and Used
Swell astragalus tiered • Tree artificial plant • Leaves white flowers - Free postage - New and Used
Aquarium pineapple spongebob - pineapple, - £6.29
Turn your aquarium • Into beautiful scenery • Decorations are made - Free postage - New and Used
Turn your aquarium • Into beautiful scenery • Decorations are made - Free postage - New and Used
Tall decorative magical - tall, - £25.79
Fish plant safe • Decorative towers turrets • Multiple swim throughs - Free postage - New and Used
Fish plant safe • Decorative towers turrets • Multiple swim throughs - Free postage - New and Used
Mixed artificial green - 10, - £5.95
Provides beautiful decoration • Your aquarium year • Excellent hiding place - Free postage - New and Used
Provides beautiful decoration • Your aquarium year • Excellent hiding place - Free postage - New and Used
Aquarium slate fish - aquarium, tank - £17.99
Black slate 3kg • Perfect creating caves • Lining back wall - Free postage - New and Used
Black slate 3kg • Perfect creating caves • Lining back wall - Free postage - New and Used
Try this: eheim external filter | marine fish tank | aquarium heater | fish tanks | juwel trigon 350 | hexagonal fish tank | marine aquarium tank | nano marine aquarium | shrimp | vortech
Shop by budget
Everything you need to know about aquarium ornaments
Whether you are looking for a brand-new or second-hand aquarium ornaments, 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 £2.91, while premium listings can reach £89.98 — giving you a wide budget spread to work with. The average price of £16.76 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.