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Aquarium ornaments

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Aquarium ornaments for sale on largest auction and classifieds sites

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Large tall rock mountain - large,

Large tall rock mountain - large,

£29.95 · Buy It Now

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Aquarium fish tank ornament - aquarium,

Aquarium fish tank ornament - aquarium,

£13.99 · Buy It Now

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Large broken battleship - large,

Large broken battleship - large,

£15.99 · Buy It Now

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Aquarium rock fish - aquarium,

Aquarium rock fish - aquarium,

£22.99 · Buy It Now

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Floating rock ornament - floating,

Floating rock ornament - floating,

£12.98 · Buy It Now

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Aquarium pump air - pump,

Aquarium pump air - pump,

£7.83 · Buy It Now

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Aquarium oxygen pump air - oxygen,

Aquarium oxygen pump air - oxygen,

£2.93 · Buy It Now

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Aquarium fish tank ornament - aquarium,

Aquarium fish tank ornament - aquarium,

£11.87 · Buy It Now

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Aquarium shipwreck ornament - aquarium,

Aquarium shipwreck ornament - aquarium,

£13.99 · Buy It Now

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Extra large castle fish - xl,

Extra large castle fish - xl,

£79.99 · Buy It Now

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Aquarium fish tank ornament - fish,

Aquarium fish tank ornament - fish,

£14.98 · Buy It Now

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Artificial barrel cave - barrel,

Artificial barrel cave - barrel,

£4.49 · Buy It Now

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10x artificial aquarium plants - 10x,

10x artificial aquarium plants - 10x,

£6.89 · Buy It Now

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Aquarium cave decoration - aquarium,

Aquarium cave decoration - aquarium,

£17.99 · Buy It Now

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Aquarium cave decoration - aquarium,

Aquarium cave decoration - aquarium,

£19.80 · Buy It Now

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Aquarium vivarium fish - vivarium, tank

Aquarium vivarium fish - vivarium, tank

£14.99 · Buy It Now

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Fish tank aquarium ornament - tank,

Fish tank aquarium ornament - tank,

£5.84 · Buy It Now

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Dragon stone ornament - stone, fish

Dragon stone ornament - stone, fish

£16.98 · Buy It Now

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Artificial barrel cave - artificial,

Artificial barrel cave - artificial,

£3.70 · Buy It Now

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Fish tank ornament aquarium - tank,

Fish tank ornament aquarium - tank,

£17.95 · Buy It Now

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Aquarium fish tank - fish, decor

Aquarium fish tank - fish, decor

£7.56 · Buy It Now

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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£7.49 · Buy It Now

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Betta stony cave aquarium fish - betta,

Betta stony cave aquarium fish - betta,

£13.29 · Buy It Now

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Multiple colors artificial - multiple,

Multiple colors artificial - multiple,

£6.49 · Buy It Now

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Supa air operated bubbler - operated,

Supa air operated bubbler - operated,

£5.63 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£16.15 · Buy It Now

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Aquarium ornament castle - castle, on

Aquarium ornament castle - castle, on

£35.99 · Buy It Now

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Supa castle and - supa,

Supa castle and - supa,

£10.45 · Buy It Now

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Aquarium fish tank ornament - aquarium,

Aquarium fish tank ornament - aquarium,

£15.99 · Buy It Now

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Large stone arch bridge - large,

Large stone arch bridge - large,

£23.98 · Buy It Now

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Aquarium fish tunnel hideout - aquarium,

Aquarium fish tunnel hideout - aquarium,

£18.98 · Buy It Now

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Aquarium fish tank ornament - aquarium,

Aquarium fish tank ornament - aquarium,

£12.99 · Buy It Now

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Large log cave tree stump - cave,

Large log cave tree stump - cave,

£16.79 · Buy It Now

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Ceramic ornaments aquarium - ceramic,

Ceramic ornaments aquarium - ceramic,

£6.49 · Buy It Now

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Classic aquarium ornament 17cm - aquarium,

Classic aquarium ornament 17cm - aquarium,

£5.00 · Buy It Now

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Aquarium pineapple house - aquarium,

Aquarium pineapple house - aquarium,

£11.29 · Buy It Now

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Aquarium ornament cave rock - ornament,

Aquarium ornament cave rock - ornament,

£15.99 · Buy It Now

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Aquarium plants artificial - plants,

Aquarium plants artificial - plants,

£10.97 · Buy It Now

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Aquarium cave decoration roman - cave,

Aquarium cave decoration roman - cave,

£17.99 · Buy It Now

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Decoration shell aquarium - shell,

Decoration shell aquarium - shell,

£12.95 · Buy It Now

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Large 10pcs aquarium fish tank - large,

Large 10pcs aquarium fish tank - large,

£5.99 · Buy It Now

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Med large ancient root - ancient, wood

Med large ancient root - ancient, wood

£21.98 · Buy It Now

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Aquarium artificial luminous - artificial,

Aquarium artificial luminous - artificial,

£5.45 · Buy It Now

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Aquarium ornament skull - aquarium,

Aquarium ornament skull - aquarium,

£17.99 · Buy It Now

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Glowing effect artificial - effect,

Glowing effect artificial - effect,

£9.99 · Buy It Now

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Artificial water grass plant - artificial,

Artificial water grass plant - artificial,

£5.39 · Buy It Now

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Pebble arch aquarium - arch, swim

Pebble arch aquarium - arch, swim

£13.65 · Buy It Now

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Aquarium ornament ancient - aquarium,

Aquarium ornament ancient - aquarium,

£20.00 · Buy It Now

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Assorted 10cm silk aquarium - assorted,

Assorted 10cm silk aquarium - assorted,

£6.49 · Buy It Now

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Small aquarium rock cave - small,

Small aquarium rock cave - small,

£7.69 · Buy It Now

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10pcs aquarium artificial - 10pcs,

10pcs aquarium artificial - 10pcs,

£6.01 · Buy It Now

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Glass fish tank - decor, mini

Glass fish tank - decor, mini

£8.54 · Buy It Now

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Artificial seaweed aquarium - 10,

Artificial seaweed aquarium - 10,

£5.91 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£12.94 · Buy It Now

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Castle wall medieval scene - wall,

Castle wall medieval scene - wall,

£13.95 · Buy It Now

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Spongebob cartoon action - spongebob,

Spongebob cartoon action - spongebob,

£6.23 · Buy It Now

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Aquarium artificial fake tank - artificial,

Aquarium artificial fake tank - artificial,

£3.95 · Buy It Now

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Crashed fighter plane - crashed,

Crashed fighter plane - crashed,

£15.98 · Buy It Now

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Fish tank aquarium ornament - tank,

Fish tank aquarium ornament - tank,

£6.49 · Buy It Now

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Extra large galleon ship wreck - extra,

Extra large galleon ship wreck - extra,

£79.95 · Buy It Now

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Aquarium ornament fish - uk,

Aquarium ornament fish - uk,

£9.78 · Buy It Now

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Aquarium ornament tunnel head - ornament,

Aquarium ornament tunnel head - ornament,

£15.99 · Buy It Now

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Betta half log - half, tunnel

Betta half log - half, tunnel

£9.99 · Buy It Now

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Two large aquarium decorations - two,

Two large aquarium decorations - two,

£10.80 · Buy It Now

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Fish tank artificial coral - artificial,

Fish tank artificial coral - artificial,

£5.29 · Buy It Now

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Aquarium plant real - aquarium, look

Aquarium plant real - aquarium, look

£9.49 · Buy It Now

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Aquarium artificial fake soft - aquarium,

Aquarium artificial fake soft - aquarium,

£5.37 · Buy It Now

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Fish tank diver - diver, ornaments

Fish tank diver - diver, ornaments

£5.99 · Buy It Now

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Fish tank decorations fake - tank,

Fish tank decorations fake - tank,

£10.97 · Buy It Now

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Silk aquarium fish tank - aquarium,

Silk aquarium fish tank - aquarium,

£8.95 · Buy It Now

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Aquarium oxygen pump - oxygen, air

Aquarium oxygen pump - oxygen, air

£2.97 · Buy It Now

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10x artificial aquarium - 10x,

10x artificial aquarium - 10x,

£5.99 · Buy It Now

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1pc aquarium hollow - hollow, log

1pc aquarium hollow - hollow, log

£5.56 · Buy It Now

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Red silk aquarium fish tank - red,

Red silk aquarium fish tank - red,

£11.49 · Buy It Now

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Diver aquarium ornament piling - diver,

Diver aquarium ornament piling - diver,

£7.07 · Buy It Now

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Artificial barrel cave - artificial,

Artificial barrel cave - artificial,

£3.80 · Buy It Now

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Aquarium fish tank plastic - fish,

Aquarium fish tank plastic - fish,

£4.99 · Buy It Now

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Dragon rock aquarium - dragon,

Dragon rock aquarium - dragon,

£107.99 · Buy It Now

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Aquarium underground cave - aquarium,

Aquarium underground cave - aquarium,

£11.98 · Buy It Now

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Amphorra aerating aquarium - amphorra,

Amphorra aerating aquarium - amphorra,

£10.70 · Buy It Now

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Aquarium botanical starter box - botanical,

Aquarium botanical starter box - botanical,

£4.75 · Buy It Now

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Artificial fake coral water - artificial,

Artificial fake coral water - artificial,

£5.90 · Buy It Now

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Lynko large red artificial - lynko,

Lynko large red artificial - lynko,

£11.12 · Buy It Now

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Artificial water grass plant - artificial,

Artificial water grass plant - artificial,

£8.39 · Buy It Now

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Fish tank landscape - landscape, decoration

Fish tank landscape - landscape, decoration

£8.52 · Buy It Now

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Artificial fake plastic - artificial,

Artificial fake plastic - artificial,

£4.24 · Buy It Now

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Dragon stone rock natural - rock, fish

Dragon stone rock natural - rock, fish

£4.89 · Buy It Now

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Bridge fish tank - bridge, resin

Bridge fish tank - bridge, resin

£6.46 · Buy It Now

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Fshl0007 illuminous anemone - fshl0007,

Fshl0007 illuminous anemone - fshl0007,

£7.95 · Buy It Now

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Aquarium driftwood red moor - driftwood,

Aquarium driftwood red moor - driftwood,

£42.99 · Buy It Now

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Classic cracked skull large - cracked,

Classic cracked skull large - cracked,

£19.95 · Buy It Now

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Mixed artificial green - 10,

Mixed artificial green - 10,

£6.99 · Buy It Now

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Biorb seahorse ornament - biorb,

Biorb seahorse ornament - biorb,

£7.49 · Buy It Now

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Aquarium pineapple spongebob - pineapple,

Aquarium pineapple spongebob - pineapple,

£6.42 · Buy It Now

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Large rock mountain aquarium - large,

Large rock mountain aquarium - large,

£34.98 · Buy It Now

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Floating aquarium sea - , mine

Floating aquarium sea - , mine

£12.83 · Buy It Now

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📊96 listings · from £2.93 · avg £13.98
⚠️ These listings were last updated more than 8 days ago. Search for fresh listings

Browse 96 aquarium ornaments listings currently in our index. Prices range from £2.93 to £107.99, with an average of £13.98. 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 →

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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 96 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 £2.93, while premium listings can reach £107.99 — giving you a wide budget spread to work with. The average price of £13.98 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.

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