Fish tank caves
Fish tank caves for sale on Ireland's largest auction and classifieds sites
Aquarium stone slate - aquarium, fish - £39.99
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
Large rock mountain aquarium - mountain, - £45.98
- Free postage - New and Used
- Free postage - New and Used
Aquarium stone fish tank - aquarium, - £21.59
White slate 3kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
White slate 3kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Large aquarium cave hide - large, - £44.35
This natural style • Tunnel sits corner • Inside your aquarium - Free postage - New and Used
This natural style • Tunnel sits corner • Inside your aquarium - Free postage - New and Used
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Ceramic nature breeding caves - nature, - £7.99
These are decorative • Natural looking caves • Which provide perfect - Free postage - New and Used
These are decorative • Natural looking caves • Which provide perfect - Free postage - New and Used
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48 listings · from £6.27 · avg £19.09
⚠️ These listings were last updated more than 109 days ago.
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Browse 48 fish tank caves listings currently in our index. Prices range from £6.27 to £62.99, with an average of £19.09. 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 fish tank caves →
Multifunctional aquarium - multifunctional, - £6.99
Type fish tank • Decor 17.6 8.9 • 5.6cm brand new - Free postage - New and Used
Type fish tank • Decor 17.6 8.9 • 5.6cm brand new - Free postage - New and Used
Fish hiding tunnel - fish, for - £7.99
Type fish tank • Decor 17.6 8.9 • 5.6cm brand new - Free postage - New and Used
Type fish tank • Decor 17.6 8.9 • 5.6cm brand new - Free postage - New and Used
Aquarium fish tank - aquarium, decor - £11.08
Resin handicrafts placed • Fish tank add • Freely shuttle enjoy - Free postage - New and Used
Resin handicrafts placed • Fish tank add • Freely shuttle enjoy - Free postage - New and Used
Multifunctional aquarium - multifunctional, - £7.86
Perfect aquarium underground • Tunnel cave two • Hole many types - Free postage - New and Used
Perfect aquarium underground • Tunnel cave two • Hole many types - Free postage - New and Used
Aquarıum fish tank ornament - fish, - £17.22
Stairway rocky mountain • Aquarium fish tank • Ornament very nice - Free postage - New and Used
Stairway rocky mountain • Aquarium fish tank • Ornament very nice - Free postage - New and Used
Corner underground cave - corner, - £12.99
Double entrance design • Two openings allow • Fish enter exit - Free postage - New and Used
Double entrance design • Two openings allow • Fish enter exit - Free postage - New and Used
Large aquarium cave - large, for - £27.99
Clean black finish • Smooth interior wide • Entrance made blend - Free postage - New and Used
Clean black finish • Smooth interior wide • Entrance made blend - Free postage - New and Used
Dragon stone rock effect - rock, - £19.98
Cave fish tank • Decoration hide arch • Sculptured dragon stone - Free postage - New and Used
Cave fish tank • Decoration hide arch • Sculptured dragon stone - Free postage - New and Used
Aquarium fish tank ornament - tank, - £17.98
L18.5 h14.5cm - Free postage - New and Used
L18.5 h14.5cm - Free postage - New and Used
Aquarium fish tank ornament - aquarium, - £13.99
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
Aquarium rock cave fish - rock, tank - £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
Multifunctional aquarium - multifunctional, - £9.10
Aquarium underground natural • Curve tunnel cave • Two hole was - Free postage - New and Used
Aquarium underground natural • Curve tunnel cave • Two hole was - Free postage - New and Used
Underground aquarium cave - aquarium, - £6.99
Create unique tropical • Marine underwater terrarium • Vivarium substrate world - Free postage - New and Used
Create unique tropical • Marine underwater terrarium • Vivarium substrate world - Free postage - New and Used
Aquarium fish tank - aquarium, ornament - £15.98
- Free postage - New and Used
- Free postage - New and Used
Printing fish tank - fish, - £9.12
Also provides protection • Shrimp during molting • Periods enhanced viewing - Free postage - New and Used
Also provides protection • Shrimp during molting • Periods enhanced viewing - Free postage - New and Used
Betta cave lounge hammock - hammock, fish - £11.50
Cater diverse needs • Your aquatic pets • Our must have - Free postage - New and Used
Cater diverse needs • Your aquatic pets • Our must have - Free postage - New and Used
Betta stony cave - betta, fish - £13.99
- Free postage - New and Used
- Free postage - New and Used
Multifunctional aquarium - multifunctional, - £7.90
Perfect aquarium underground • Tunnel cave two • Hole many types - Free postage - New and Used
Perfect aquarium underground • Tunnel cave two • Hole many types - Free postage - New and Used
Aquarium ornament tunnel - aquarium, head - £15.50
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
Fish cave aquarium - aquarium, ornament - £6.59
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 slate - stone, tank - £62.99
Let know you • Have any individual • Wishes regards shape - Free postage - New and Used
Let know you • Have any individual • Wishes regards shape - Free postage - New and Used
Shrimp hideout tubes caves - tubes, - £8.99
Watch your shrimp • Community thrives their • Enriched habitat displaying - Free postage - New and Used
Watch your shrimp • Community thrives their • Enriched habitat displaying - Free postage - New and Used
Aquarium fish tank ornament - aquarium, - £9.58
14x4x4cm lxwxh 25x11x10cm - Free postage - New and Used
14x4x4cm lxwxh 25x11x10cm - Free postage - New and Used
Rainbow slate 5kg - rainbow, aquarium - £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
Aquarium fish tank - aquarium, ornament - £31.90
This aquarium fish • Tank ornament castle • Dragon protecting fortress - Free postage - New and Used
This aquarium fish • Tank ornament castle • Dragon protecting fortress - 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 fish tank ornament - aquarium, - £21.50
This aquarium fish • Tank ornament castle • Decoration hiding cave - Free postage - New and Used
This aquarium fish • Tank ornament castle • Decoration hiding cave - Free postage - New and Used
Multifunctional aquarium - multifunctional, - £8.38
Perfect aquarium underground • Tunnel cave two • Hole many types - Free postage - New and Used
Perfect aquarium underground • Tunnel cave two • Hole many types - Free postage - New and Used
Grey natural stone rock effect - rock, - £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
Rock cave aquarium ornament - aquarium, - £24.99
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
Underground dome cave - underground, - £14.99
Mimic natural underground • Chamber this cave • Gives your bottom - Free postage - New and Used
Mimic natural underground • Chamber this cave • Gives your bottom - Free postage - New and Used
Aquarium ornament wreck - wreck, boat - £12.42
Fish tank decor • Wreck sunk simply • Clean place this - Free postage - New and Used
Fish tank decor • Wreck sunk simply • Clean place this - Free postage - New and Used
Safe fish tank underground - fish, - £9.77
Also provides protection • Shrimp during molting • Periods enhanced viewing - Free postage - New and Used
Also provides protection • Shrimp during molting • Periods enhanced viewing - Free postage - New and Used
Aquarium fish tank - fish, ornament - £28.98
20x11x25cm lxwxh - Free postage - New and Used
20x11x25cm lxwxh - Free postage - New and Used
Large aquarium cave hide - cave, - £24.95
Natural style tunnel • Cave aquariums reptile • Enclosures perfect betta - Free postage - New and Used
Natural style tunnel • Cave aquariums reptile • Enclosures perfect betta - Free postage - New and Used
Pleco aquarium cave natural - pleco, - £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
Cave rock hide - cave, - £24.99
Great way give • Depth interest your • Aquarium fish tank - Free postage - New and Used
Great way give • Depth interest your • Aquarium fish tank - Free postage - New and Used
Grey natural moss stone - natural, - £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 fish tank - 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
Cichlid stone cave - stone, aquarium - £6.27
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
Aquarium reptile rock cave - aquarium, - £10.80
Rock cave hide • Natural looking tank • Decoration create safe - Free postage - New and Used
Rock cave hide • Natural looking tank • Decoration create safe - Free postage - New and Used
Aquarium village ornament - aquarium, - £26.70
Length 22cm - Free postage - New and Used
Length 22cm - Free postage - New and Used
Large rock mountain aquarium - mountain, - £45.98
- Free postage - New and Used
- Free postage - New and Used
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Everything you need to know about fish tank caves
Whether you are looking for a brand-new or second-hand fish tank caves, 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 £6.27, while premium listings can reach £62.99 — giving you a wide budget spread to work with. The average price of £19.09 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.