Best 5ft Fish Tank Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Monster Shop

New
Monster Shop Large Fish Tank 4ft 300L 65 Gallon Aquarium Marine Tropical Saltwater Freshwater Black Cabinet Storage Stan
Contemporary Elegance: Enhance any office or home space with a sleek black trim glass tank and matching cabinet, offerin

£599.99
Best Value
Diversa

New
Diversa Aquarium Professional Fish Tank - Real Glass, Standard Rectangle AQUARIUM ONLY - 300L (120x50x50cm)
Premium Quality Aquarium - Diversa offers a high-quality glass aquarium made with Guardian Glass, ensuring durability an

£275.95
New
Aquarium Sand Fish Tank Natural Gravel for Plant Growth
🐬Suitable for every biotope and above all, perfect for plant aquariums. The right fraction favours the good rooting of

£22.99
Diversa

New
Diversa Aquarium with LED Lid - Professional Fish Tank - Real Glass, AQUARIUM WITH LED LID (160 Litre (100x40x40cm))
Experience superior Aquatic Bliss with Diversa - For over 40 years, our trusted brand has delivered excellence. Our prem

£229.95
New
5ft Marine Fish Tank With Equipment
5ft drilled marine aquarium with sump and pipe work-£500 2x max spect ethereal lights with ivc6 Wi-Fi controller-£250 Je

£924.70
Repti-Life

New
60x24x24 Inch Vivarium Flatpacked In Oak, 5ft Viv By Repti-life
Reptile Vivarium - Flatpaked - UK Manufactured - Stackable - 18mm MFC

£228.99
Diversa

New
Diversa AQUARIUM WITH LID AND STAND/CABINET Professional Fish Tank - Real Glass, Standard Rectangle (160 Litre Set)
Experience superior aquatic bliss with Diversa - For over 40 years, our trusted brand has delivered excellence. Our prem

£299.95
New
New 5ft glass Fish Tank Display Tanks Suitable For insects, , terrarium Etc,
This 160L glass fish tank display tank is suitable for fish insects, spiders, terrariums, and more. The rectangular shap

£219.10
Monster Shop

New
Monster Shop Large Fish Tank White 4ft 300L 65 Gal Aquarium Marine Tropical Saltwater Freshwater. White Cabinet Storage

£649.99
Used
5ft Fish Tank with Cabinet and Hood. Complete With Everything Including 2 Filter
Bought over a year ago. Selling due to ill health and cannot maintain any longer. Comes with heaters, filters, pump, spa

£516.70
Diversa

New
Diversa Aquarium Professional Fish Tank - Real Glass, Standard Rectangle AQUARIUM ONLY - 112L (80x35x40cm)
Premium Quality Aquarium - Diversa offers a high-quality glass aquarium made with Guardian Glass, ensuring durability an

£129.95
Diversa

New
Diversa AQUARIUM WITH LID AND STAND/CABINET Professional Fish Tank - Real Glass, Standard Rectangle (240 Litre Set)
Experience superior aquatic bliss with Diversa - For over 40 years, our trusted brand has delivered excellence. Our prem

£399.95
New
Fish Tank Gravel Natural Plant Substrate AMBER 3-5mm
Our Silica Sand is not artificially coloured, therefore it looks very natural. Will not require rinsing before use. Afte

£24.83
Diversa

New
Diversa Aquarium Professional Fish Tank - Real Glass, Standard Rectangle AQUARIUM ONLY - 200L (100x40x50cm)
Premium Quality Aquarium - Diversa offers a high-quality glass aquarium made with Guardian Glass, ensuring durability an

£205.95
New
Aquarium Sand Natural White Silica for Fish Tank 0,5-1mm + FREE WOOD STONES
🌈Colour of sand has an infuence on colour of fish and shrimp in the aquarium, making them more colourfull. 🌍Our Silica

£27.99
Diversa

New
Diversa AQUARIUM WITH LID AND STAND/CABINET Professional Fish Tank - Real Glass, Standard Rectangle (300 Litre Set)

£519.95
New
Aquarium Gravel Fish Tank Sand Plant Substrate BLACK 1-3mm
🌍 Grain size: 3-5mm. Our sand is not artificially coloured. 100% natural and 100% safe. Product used in agriculture as

£24.99
New
Aquarium Fish Tank Background Backdrop Poster - 2 to 6 FT Length 60cm High
Aquarium Fish tank Background - Double Sided - Height 60cm (24"). Give your fish tank a breathtaking upgrade with ourDou

£11.45
New
White Aquarium Sand Natural Fish Tanks Silica 0,5-1,2mm
One of the whitest natural quartz found in nature. The sand may have a light shade of grey colour but it will look diffe

£24.83
New
Aquarium Fish Tank Vivarium Background Picture Poster 24" tall/drop/height ref04
Select the length and design and the background will be dispatched to you asap and on a protective tube so that it arriv

£27.99
New
Aquarium Fish Tank Background Backdrop Poster - 2 to 6 FT Length 60cm High
Aquarium Fish tank Background - Double Sided - Height 60cm (24"). Give your fish tank a breathtaking upgrade with ourDou

£10.55
New
Aquarium Fish Tank Background 2 Sides - 60cm High 2 to 6 FT Lengths
Aquarium Fish tank Background - Double Sided - Height 60cm (24"). Our fish tank background pictures are perfect for aqua

£11.45
New
Aquarium Fish Tank Background 2 Sides - 50cm High 2 to 10 FT Lengths
Aquarium Fish tank Background - Double Sided - Height 50cm (19"). Our fish tank background pictures are perfect for aqua

£10.05
Used
5ft fish tank aquarium Acua
5 feet in length aqua1 fishtank used but in good condition everything that is needed is included 1 heater 2 underwater f

£260.70
Used
Large fish tank with Fluval FX6 filter, LED light, heater, air pump, and 5 Fish
This large fish tank is a complete aquarium setup by Fluval, featuring a square shape with a capacity of 350 litres. It

£312.70

25 5ft Fish Tank deals are available from: Amazon, eBay stores, starting from £10.05.
The biggest discount we found is 10%% on Monster Shop Large Fish Tank 4ft 300L 65 Gallon Aquarium Marine Tropical Saltwater Freshwater Black Cabinet Storage Stand Complete Starter Kit Filter Air Pump Heater LED Light at Amazon.
The lowest price we found is £10.05 while the highest is £924.70.
Prices for the best 5ft Fish Tank deals average at £238.87.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for 5ft Fish Tank.