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Fish tank decorations

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Fish tank decorations for sale on Ireland's largest auction and classifieds sites

Home / Fish & Aquarium / Fish tank decorations refurbished & used for sale | For Sale UK
Aquarium fish tank ornament - tank,

Aquarium fish tank ornament - tank,

£14.23 · Buy It Now

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New aquarium ornament rockery - new,

New aquarium ornament rockery - new,

£10.77 · Buy It Now

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10pcs artificial floating - 10pcs,

10pcs artificial floating - 10pcs,

£5.54 · Buy It Now

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Aquarium fish tank decor - aquarium,

Aquarium fish tank decor - aquarium,

£8.75 · Buy It Now

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Artificial barrel cave - artificial,

Artificial barrel cave - artificial,

£3.99 · Buy It Now

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Multiple colors artificial - colors,

Multiple colors artificial - colors,

£6.49 · Buy It Now

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Aquarium oxygen pump - oxygen,

Aquarium oxygen pump - oxygen,

£2.63 · Buy It Now

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Fish tank ornament resin - fish,

Fish tank ornament resin - fish,

£5.70 · Buy It Now

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Extra large castle fish - large,

Extra large castle fish - large,

£79.99 · Buy It Now

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Large tall rock mountain - tall,

Large tall rock mountain - tall,

£29.95 · Buy It Now

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Aquarium artificial coral reef - artificial,

Aquarium artificial coral reef - artificial,

£9.48 · Buy It Now

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Fish hiding home decor - fish,

Fish hiding home decor - fish,

£4.89 · Buy It Now

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Landscape coral fish tank - coral,

Landscape coral fish tank - coral,

£6.93 · Buy It Now

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Aquarium fish tank ornament - aquarium,

Aquarium fish tank ornament - aquarium,

£19.99 · Buy It Now

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Aquarium fish tank ornament - aquarium,

Aquarium fish tank ornament - aquarium,

£16.99 · Buy It Now

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Aquarium rock fish tank - rock,

Aquarium rock fish tank - rock,

£43.19 · Buy It Now

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Aquarium aqua scape - aqua,

Aquarium aqua scape - aqua,

£10.80 · Buy It Now

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Joblot x20 fish tank - joblot,

Joblot x20 fish tank - joblot,

£18.98 · Buy It Now

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Fish tank decorations fake - fish,

Fish tank decorations fake - fish,

£10.97 · Buy It Now

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Aquarium fish tank - fish, ornament

Aquarium fish tank - fish, ornament

£10.80 · Buy It Now

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Piece artificial aquarium - 10-piece,

Piece artificial aquarium - 10-piece,

£4.99 · Buy It Now

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Pet supplies aquarium corner - pet,

Pet supplies aquarium corner - pet,

£5.13 · Buy It Now

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10x artificial aquarium - 10x,

10x artificial aquarium - 10x,

£6.20 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£15.98 · Buy It Now

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Crashed fighter plane wreck - crashed,

Crashed fighter plane wreck - crashed,

£18.98 · Buy It Now

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Aquarium ornament skull - aquarium,

Aquarium ornament skull - aquarium,

£16.99 · Buy It Now

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Aquarium fish tank ornament - fish,

Aquarium fish tank ornament - fish,

£12.89 · Buy It Now

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Safe fish tank underground - safe,

Safe fish tank underground - safe,

£9.47 · 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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Fish tank decorations - tank,

Fish tank decorations - tank,

£14.99 · Buy It Now

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Aquarium stone rock - aquarium,

Aquarium stone rock - aquarium,

£21.59 · Buy It Now

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Fish tank plane decor - fish,

Fish tank plane decor - fish,

£13.67 · Buy It Now

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Fish tank plants - tank, quozuo

Fish tank plants - tank, quozuo

£12.50 · Buy It Now

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1pc aquarium hollow hole log - hollow,

1pc aquarium hollow hole log - hollow,

£5.06 · Buy It Now

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Air stone fish tank - stone,

Air stone fish tank - stone,

£15.88 · Buy It Now

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30cm aquarium reptile fish - 30cm,

30cm aquarium reptile fish - 30cm,

£5.99 · Buy It Now

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Aquarium plants artificial - plants,

Aquarium plants artificial - plants,

£10.97 · Buy It Now

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6pcs fish tank jellyfish - 6pcs,

6pcs fish tank jellyfish - 6pcs,

£7.00 · Buy It Now

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Rainbow slate aquarium stone - rainbow,

Rainbow slate aquarium stone - rainbow,

£16.19 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£13.99 · Buy It Now

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Multifunctional aquarium - multifunctional,

Multifunctional aquarium - multifunctional,

£7.92 · Buy It Now

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1pc aquarium hollow hole - 1pc,

1pc aquarium hollow hole - 1pc,

£6.27 · Buy It Now

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Large rock formation - large,

Large rock formation - large,

£24.95 · Buy It Now

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Plastic aquarium fish - plastic,

Plastic aquarium fish - plastic,

£4.52 · Buy It Now

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Glowing effect artificial - glowing,

Glowing effect artificial - glowing,

£3.99 · Buy It Now

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Artificial water grass plant - water,

Artificial water grass plant - water,

£5.39 · Buy It Now

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Aquarium ornament submarine - ornament,

Aquarium ornament submarine - ornament,

£25.99 · Buy It Now

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Crashed fighter plane - plane, wreck

Crashed fighter plane - plane, wreck

£15.98 · Buy It Now

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Fish tank artificial - fish,

Fish tank artificial - fish,

£3.98 · Buy It Now

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Supa castle and - castle,

Supa castle and - castle,

£10.61 · Buy It Now

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Aquarium artificial luminous - aquarium,

Aquarium artificial luminous - aquarium,

£5.47 · Buy It Now

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10pcs artificial aquatic plant - 10pcs,

10pcs artificial aquatic plant - 10pcs,

£5.44 · Buy It Now

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Undersea theme aquarium - theme,

Undersea theme aquarium - theme,

£6.41 · Buy It Now

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New natural aquarium sinkable - new,

New natural aquarium sinkable - new,

£4.98 · Buy It Now

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Pcs large aquarium plants - pcs,

Pcs large aquarium plants - pcs,

£12.36 · Buy It Now

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Aquarium pineapple spongebob - aquarium,

Aquarium pineapple spongebob - aquarium,

£5.50 · Buy It Now

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Superfish decorative poster - superfish,

Superfish decorative poster - superfish,

£6.99 · Buy It Now

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Swell green pinatifida - swell,

Swell green pinatifida - swell,

£5.94 · Buy It Now

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Pcs set aquarium - aquarium, fish

Pcs set aquarium - aquarium, fish

£9.86 · Buy It Now

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Dragon stone rock natural fish - dragon,

Dragon stone rock natural fish - dragon,

£4.89 · Buy It Now

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Multifunctional aquarium - multifunctional,

Multifunctional aquarium - multifunctional,

£6.99 · Buy It Now

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Large rock mountain aquarium - large,

Large rock mountain aquarium - large,

£45.98 · Buy It Now

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Fish tank aquarium ornament - fish,

Fish tank aquarium ornament - fish,

£6.52 · Buy It Now

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10pcs set artificial - 10pcs/set,

10pcs set artificial - 10pcs/set,

£6.35 · Buy It Now

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Betta pirates treasure chest - betta,

Betta pirates treasure chest - betta,

£13.49 · Buy It Now

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Multiple colors artificial - multiple,

Multiple colors artificial - multiple,

£2.28 · Buy It Now

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6pcs spongebob fish tank - 6pcs,

6pcs spongebob fish tank - 6pcs,

£5.35 · Buy It Now

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Fish tank ornament aquarium - fish,

Fish tank ornament aquarium - fish,

£17.95 · Buy It Now

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Grey pebble stack aquarium - pebble,

Grey pebble stack aquarium - pebble,

£18.49 · Buy It Now

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Aquarium ornament shipwreck - aquarium,

Aquarium ornament shipwreck - aquarium,

£25.99 · Buy It Now

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Aquarium fish tank - fish, ornament

Aquarium fish tank - fish, ornament

£9.58 · Buy It Now

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Aquarium decorations plants - decorations,

Aquarium decorations plants - decorations,

£9.62 · Buy It Now

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Swell aquarium decoration - aquarium,

Swell aquarium decoration - aquarium,

£7.14 · Buy It Now

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Dragon rock aquarium stone - dragon,

Dragon rock aquarium stone - dragon,

£107.99 · Buy It Now

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Large castle bridge - large,

Large castle bridge - large,

£16.09 · Buy It Now

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Broken barrel hideaway cave - broken,

Broken barrel hideaway cave - broken,

£7.98 · Buy It Now

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Aquarium wood root decoration - wood,

Aquarium wood root decoration - wood,

£12.95 · Buy It Now

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Swell artificial - swell,

Swell artificial - swell,

£8.03 · Buy It Now

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6pcs fish tank jellyfish - fish,

6pcs fish tank jellyfish - fish,

£7.14 · Buy It Now

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Artificial coral ornament - artificial,

Artificial coral ornament - artificial,

£5.55 · Buy It Now

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Large 25pcs aquarium - fish, tank

Large 25pcs aquarium - fish, tank

£12.27 · Buy It Now

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Marble effect column arch fish - marble,

Marble effect column arch fish - marble,

£9.98 · Buy It Now

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Set small nano - set,

Set small nano - set,

£10.89 · Buy It Now

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Large log cave - large, stump

Large log cave - large, stump

£16.79 · Buy It Now

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Extra large helicopter - extra,

Extra large helicopter - extra,

£45.15 · Buy It Now

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Lightning mcqueen style cars - lightning,

Lightning mcqueen style cars - lightning,

£8.99 · Buy It Now

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Aquarium fish tank decor - aquarium,

Aquarium fish tank decor - aquarium,

£9.49 · Buy It Now

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Gray seiryu scenery stone - scenery,

Gray seiryu scenery stone - scenery,

£4.49 · Buy It Now

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Extra large galleon ship - extra,

Extra large galleon ship - extra,

£79.95 · Buy It Now

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Large rock mountain aquarium - large,

Large rock mountain aquarium - large,

£45.98 · Buy It Now

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Small rustic hobbit - rustic, lotr

Small rustic hobbit - rustic, lotr

£18.98 · Buy It Now

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Aquarium cave decoration - aquarium,

Aquarium cave decoration - aquarium,

£18.59 · Buy It Now

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Illuminous lotus leaves - illuminous,

Illuminous lotus leaves - illuminous,

£5.95 · Buy It Now

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10pcs large aquarium plant set - 10pcs,

10pcs large aquarium plant set - 10pcs,

£6.77 · Buy It Now

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Aquarium fish tank ornament - fish,

Aquarium fish tank ornament - fish,

£12.00 · Buy It Now

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Mini lotus pods - pods., fish

Mini lotus pods - pods., fish

£8.69 · Buy It Now

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📊96 listings · from £2.28 · avg £14.51
⚠️ These listings were last updated more than 12 days ago. Search for fresh listings

Browse 96 fish tank decorations listings currently in our index. Prices range from £2.28 to £107.99, with an average of £14.51. 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 decorations →

Try this: fluval aquariums | glass tanks | lava rock | betta fish tanks | aquarium equipment | saltwater tank | freshwater tropical fish | large marine fish tanks | sump refugium | aquarium glass

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Everything you need to know about fish tank decorations

Whether you are looking for a brand-new or second-hand fish tank decorations, 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 £2.28, while premium listings can reach £107.99 — giving you a wide budget spread to work with. The average price of £14.51 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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