Aquarium rocks
Aquarium rocks for sale on Ireland's largest auction and classifieds sites
Fish tank stone aquarium - tank, rock - £19.99
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 stone rock - aquarium, - £29.15
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Aquarium volcanic rock - volcanic, fish - £29.15
Lava rocks black • Rock 5kg set • Select carefully selected - Free postage - New and Used
Lava rocks black • Rock 5kg set • Select carefully selected - Free postage - New and Used
Aquarium stone rock - aquarium, - £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
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Natural dragon rock - dragon, stone - £2.99
Great arranging iwagumi • Plant tanks grooves • Holes that cover - Free postage - New and Used
Great arranging iwagumi • Plant tanks grooves • Holes that cover - Free postage - New and Used
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48 listings · from £2.95 · avg £25.97
⚠️ These listings were last updated more than 13 days ago.
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Browse 48 aquarium rocks listings currently in our index. Prices range from £2.95 to £259.95, with an average of £25.97. 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 rocks →
Aquarium stone slate fish tank - fish, - £12.99
Shelter caves great • Hiding places that • Fish they are - Free postage - New and Used
Shelter caves great • Hiding places that • Fish they are - Free postage - New and Used
Aquarium rock fish tank - fish, - £26.99
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
Aquarium slate fish tank rock - aquarium, - £2.99
Slate perfect creating • Caves lining back • Wall aquarium doesn - Free postage - New and Used
Slate perfect creating • Caves lining back • Wall aquarium doesn - Free postage - New and Used
Natural aquarium rock - natural, - £12.45
Ohko stone natural • Aquascaping perfect creating • Underwater landscapes shrimp - Free postage - New and Used
Ohko stone natural • Aquascaping perfect creating • Underwater landscapes shrimp - Free postage - New and Used
Dragon rock stone ohko - dragon, - £5.79
Popular rock aquascaping • Planted aquariums holes • Crevices that cover - Free postage - New and Used
Popular rock aquascaping • Planted aquariums holes • Crevices that cover - Free postage - New and Used
Grey natural moss - grey, - £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
Aquarium rock fish tank - rock, - £16.19
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Rustic rock and - rustic, - £16.79
Rustic rock log • Effect aquarium arch • Hide cave plus - Free postage - New and Used
Rustic rock log • Effect aquarium arch • Hide cave plus - Free postage - New and Used
5kg 20kg aquarium - 🔥5kg, 20kg🔥 - £29.95
Create natural beautiful • Aquarium decorative stones • Are perfect addition - Free postage - New and Used
Create natural beautiful • Aquarium decorative stones • Are perfect addition - Free postage - New and Used
Aquarium seiryu rock - aquarium, - £35.63
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium rock cave fish tank - aquarium, - £21.59
Rainbow slate 3kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Rainbow slate 3kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Aquarium lava rock black - aquarium, black, - £29.99
Highly detailed comparitively • Light won displace • Huge amounts water - Free postage - New and Used
Highly detailed comparitively • Light won displace • Huge amounts water - Free postage - New and Used
Aquarium stone rock natural - stone, - £29.15
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Dragon rock aquarium stone - dragon, - £21.59
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium slate fish tank - tank, rock - £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
Large new natural flat - 6x, - £13.95
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
Grey natural stone rock effect - grey, - £25.79
Provides ideal hideaway • Cave swim through • Grey natural stone - Free postage - New and Used
Provides ideal hideaway • Cave swim through • Grey natural stone - Free postage - New and Used
Aquarium stone seiryu rock - aquarium, - £19.43
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Rainbow slate aquarium - slate, - £14.03
Rainbow slate 1kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Rainbow slate 1kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Large tall rock mountain fish - mountain, - £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
Dragon stone rock - stone, natural - £4.89
Dragon stone ohko • Rock natural fish • Tank decoration aquascaping - Free postage - New and Used
Dragon stone ohko • Rock natural fish • Tank decoration aquascaping - Free postage - New and Used
Aquarium rock fish - fish, tank - £16.19
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium fish tank dragon - fish, - £2.95
Ohko stone natural • Shrimp planted aquariums • Rock unique porous - Free postage - New and Used
Ohko stone natural • Shrimp planted aquariums • Rock unique porous - Free postage - New and Used
Aquarium rock fish - tank, stone - £29.15
Great natural base • Building block aquariums • Stone rocky decor - Free postage - New and Used
Great natural base • Building block aquariums • Stone rocky decor - Free postage - New and Used
Rainbow slate 5kg aquarium - slate, - £29.15
Rainbow slate 5kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Rainbow slate 5kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Dragon rock aquarium stone - dragon, - £35.63
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Dragon rock aquarium - dragon, - £24.83
Dragon rock 3kg • Set select carefully • Selected pieces only - Free postage - New and Used
Dragon rock 3kg • Set select carefully • Selected pieces only - Free postage - New and Used
Aquarium rock fish - aquarium, - £16.19
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Dragon rock stone ohko - dragon, - £23.99
Ideal aquascaping great • Base material rocky • Stone aquarium decoration - Free postage - New and Used
Ideal aquascaping great • Base material rocky • Stone aquarium decoration - Free postage - New and Used
Floating rock ornament - rock, - £10.98
Just put decorations • Water they will • Automatically float surface - Free postage - New and Used
Just put decorations • Water they will • Automatically float surface - Free postage - New and Used
Aquarium background for - 3d, - £259.95
Installation very easy • Just slide background • Inside your tank - Free postage - New and Used
Installation very easy • Just slide background • Inside your tank - Free postage - New and Used
Four slate rock pieces - rock, - £13.95
Four natural slate • Tiles aquarium reptile • Pieces ideal textured - Free postage - New and Used
Four natural slate • Tiles aquarium reptile • Pieces ideal textured - Free postage - New and Used
Stone rock cave aquarium - rock, - £6.13
Aquarium decorative rocks • This hidden cave • Creates visual feast - Free postage - New and Used
Aquarium decorative rocks • This hidden cave • Creates visual feast - Free postage - New and Used
Aquarium stone fish tank - aquarium, - £22.99
Lava rocks malawi • Sets they also • Look good light - Free postage - New and Used
Lava rocks malawi • Sets they also • Look good light - Free postage - New and Used
Aquarium rock fish tank slate - fish, - £29.15
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium rock seiryu - rock, - £46.43
Grey mountian rock • 10kg set select • Carefully selected pieces - Free postage - New and Used
Grey mountian rock • 10kg set select • Carefully selected pieces - Free postage - New and Used
Aquarium decoration shell - decoration, - £6.47
Malawi sets perfect • Natural decoration your • Aquarium shell remain - Free postage - New and Used
Malawi sets perfect • Natural decoration your • Aquarium shell remain - Free postage - New and Used
Flat slate rock - flat, - £15.95
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
Shape rock formation - rock, - £15.59
Suitable any freshwater • Aquarium rock formation • Has been decorated - Free postage - New and Used
Suitable any freshwater • Aquarium rock formation • Has been decorated - Free postage - New and Used
Pleco aquarium cave - aquarium, natural - £19.95
Aquarium grade silicon • Used construction edges • Have been sanded - Free postage - New and Used
Aquarium grade silicon • Used construction edges • Have been sanded - Free postage - New and Used
Fish hiding home - fish, - £4.91
Provides beautiful colorful • Decoration your aquarium • Provide excellent hiding - Free postage - New and Used
Provides beautiful colorful • Decoration your aquarium • Provide excellent hiding - Free postage - New and Used
Aquarium rock natural fish - aquarium, - £39.95
Mix stones different • Shades red orange • Yellow 100 natural - Free postage - New and Used
Mix stones different • Shades red orange • Yellow 100 natural - Free postage - New and Used
Aquarium seiryu rock - fish, tank - £24.83
Grey mountian rock • 3kg set select • Carefully selected pieces - Free postage - New and Used
Grey mountian rock • 3kg set select • Carefully selected pieces - Free postage - New and Used
Try this: aquarium stands | aquarium backgrounds | fish tank heaters | aquarium cabinets | fish tank decorations | fluval aquariums | glass tanks | lava rock | betta fish tanks | saltwater tank
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Everything you need to know about aquarium rocks
Whether you are looking for a brand-new or second-hand aquarium rocks, 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 £2.95, while premium listings can reach £259.95 — giving you a wide budget spread to work with. The average price of £25.97 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.