Aquarium rocks
Aquarium rocks for sale on Ireland's largest auction and classifieds sites
Dragon rock aquarium - dragon, stone - £107.99
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 stone fish - aquarium, tank - £64.79
Lava rocks 100 • Natural they also • Look good light - Free postage - New and Used
Lava rocks 100 • Natural they also • Look good light - Free postage - New and Used
Aquarium stone rock - stone, - £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
Aquarium seiryu rock fish - 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
Looking for more aquarium rocks?
Search eBay live — fresh results filtered for the best value, updated every hour.
Aquarium rock fish - fish, tank - £67.99
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
📊
48 listings · from £2.99 · avg £38.92
⚠️ These listings were last updated more than 25 days ago.
Search for fresh listings
Browse 48 aquarium rocks listings currently in our index. Prices range from £2.99 to £155.94, with an average of £38.92. 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 →
Fish tank rock natural - rock, - £59.99
Suitable all types • Aquariums dark colour • Combined irregular shape - Free postage - New and Used
Suitable all types • Aquariums dark colour • Combined irregular shape - Free postage - New and Used
Aquarium lava rock black - aquarium, - £24.99
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
5kg 20kg aquarium - 🔥5kg, - £79.95
Dragon stone aquarium • Rock favourite among • Aquascapers hobbyists its - Free postage - New and Used
Dragon stone aquarium • Rock favourite among • Aquascapers hobbyists its - Free postage - New and Used
Large tall rock - mountain, fish - £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
Lava cobble rock - cobble, scaping - £14.99
Lava cobble boulder • Rock ohko scaping • Pebble aquarium tropical - Free postage - New and Used
Lava cobble boulder • Rock ohko scaping • Pebble aquarium tropical - Free postage - New and Used
Fish tank stone aquarium rock - tank, - £49.99
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 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
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
Aquarium rock natural fish - rock, - £57.23
25kg 120cm 4ft • Length wood stone • Set geat natural - Free postage - New and Used
25kg 120cm 4ft • Length wood stone • Set geat natural - Free postage - New and Used
Ocean rock marine reef malawi - rock, - £34.99
Malawi tanganyika lake • Victoria all our • Rocks arecarefully hand - Free postage - New and Used
Malawi tanganyika lake • Victoria all our • Rocks arecarefully hand - Free postage - New and Used
Rainbow slate 5kg aquarium - rainbow, - £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
Gray seiryu scenery stone - seiryu, - £4.49
Seiryu stone features • Unique textures shapes • That bring realistic - Free postage - New and Used
Seiryu stone features • Unique textures shapes • That bring realistic - Free postage - New and Used
Dragon rock stone - dragon, - £32.98
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
Large new natural flat - large, - £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
Natural glimmer wood stone - wood, - £32.98
Ada style aquascaping • Iwagumi does not • Include gravel plants - Free postage - New and Used
Ada style aquascaping • Iwagumi does not • Include gravel plants - Free postage - New and Used
Dark galapagos lava - lava, rock - £24.99
Cavernous surface optimal • Placing plants they • Are perfectly suitable - Free postage - New and Used
Cavernous surface optimal • Placing plants they • Are perfectly suitable - Free postage - New and Used
Natural dragon rock - natural, 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
Rainbow slate aquarium stone - , - £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
Grey natural moss stone - grey, effect - £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
Dragon stone rock natural - dragon, - £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 slate fish tank rock - aquarium, - £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
Rainbow slate aquarium stone - , - £16.19
Rainbow slate 2kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Rainbow slate 2kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Aquarium rock natural fish - aquarium, - £39.95
10kg 60cm 2ft • Length wood stone • Set geat natural - Free postage - New and Used
10kg 60cm 2ft • Length wood stone • Set geat natural - Free postage - New and Used
Aquarium volcanic rock fish - rock, - £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 rock natural - rock, - £29.15
Selected aquarium rock • High repeatable quality • Shades green characteristic - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades green characteristic - Free postage - New and Used
Aquarium stone seiryu - aquarium, - £107.99
Grey mountian rock • 25kg set select • Carefully selected pieces - Free postage - New and Used
Grey mountian rock • 25kg set select • Carefully selected pieces - Free postage - New and Used
Pagoda rock natural - pagoda, – - £31.99
Aquarium length suitable • Perfect aquascaping projects • Stone pieces around - Free postage - New and Used
Aquarium length suitable • Perfect aquascaping projects • Stone pieces around - Free postage - New and Used
Coral stone plants aquarium - stone, - £26.99
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 background for - aquarium, - £155.94
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
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
Aquarium stone slate fish tank - fish, - £57.99
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 stone seiryu - stone, rock - £62.63
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
Stone rock cave aquarium - stone, - £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
Natural red lava rock - red, - £31.99
Create your own • Aquascape build unique • Natural looking underwater - Free postage - New and Used
Create your own • Aquascape build unique • Natural looking underwater - Free postage - New and Used
Aquarium stone fish - fish, tank - £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 - 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
Natural aquarium rock stone - aquarium, & - £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
Aquarium rock seiryu - aquarium, stone - £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
Dragon rock stone ohko - kg, - £34.95
You are buying • 7.5 natural dragon • Ohko stone ideal - Free postage - New and Used
You are buying • 7.5 natural dragon • Ohko stone ideal - Free postage - New and Used
Floating rock ornament - floating, - £15.98
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 stone rock natural - aquarium, - £74.99
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
Sunstone rock for aquarium - rock, | - £31.99
Aquarium length suitable • Our goal help • You create beautiful - Free postage - New and Used
Aquarium length suitable • Our goal help • You create beautiful - Free postage - New and Used
Aquarium rock natural fish - natural, - £46.43
Wood stone 15kg • Set select carefully • Selected pieces only - Free postage - New and Used
Wood stone 15kg • Set select carefully • Selected pieces only - Free postage - New and Used
Try this: aquarium stands | aquarium backgrounds | fish tank heaters | large fish tanks | aquarium cabinets | fish tank decorations | fluval aquariums | glass tanks | lava rock | betta fish tanks
Shop by budget
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 £2.99, while premium listings can reach £155.94 — giving you a wide budget spread to work with. The average price of £38.92 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.