Corner Fish Tanks & Aquariums (Kits & Stands)


Sam is the owner and main writer for Fish Tank Bank. He has been keeping fish and building aquariums for over 20 years.
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A fish tank or aquarium that has corners is perfect for people who wish to have a fish tank in their home, but realize that it can often be far less practical than they first anticipated. Let’s be honest: a good sized fish tank is probably gonna take up a fair amount of room in your home, especially if it’s more than 50 gallons! And ensuring that your fish have plenty of room is a key aspect of keeping them happy and healthy. So what’s the solution? Well, a corner fish tank can be the ideal solution to this often frustrating scenario, and can allow you to have an aquarium without sacrificing space around your home. But that doesn’t mean to say that these tanks are only good for saving space. In fact, they can be just as stylish and safe as a regular fish tank or aquarium, as you’ll see from the list below. Plus, we’ve included a few fish tank cabinets & stands (just for good measure!). Before we start with the detailed guide updated for 2020, here is a quick overview of the best corner aquariums included in our guide:


Best TanksSellerDisplaying products 1 - 5 of 25 results
Tetra Crescent (Top Rated)AmazonCheck Price
AquaviewAmazonCheck Price
AquaSceneAmazonCheck Price
AquaViewAmazonCheck Price
AquaviewAmazonCheck Price


  • Small Corner Fish Tanks & Aquariums (10 Gallons and less)

Tetra Crescent Acrylic Corner Aquarium Kit

The Tetra Crescent Aquarium is the top rated corner tank in our list. It is 5 gallons in size and currently has over 240 reviews on Amazon with an average score of 4 out of 5 stars. The main features of this tank includes:

  • Energy efficient LEDs
  • Mechanical filter
  • Ultra activated carbon
  • 240 + reviews

AquaView 6.5-Gallon Fish Tank (with Power Filter)

This hexagon fish tank is 6.5 gallons in size and is available from the highly reputable company known as AquaView. The main features of this tank include:

  • Energy efficient lighting
  • Powerful internal filter
  • Made with impact resistant plastic
  • Easy set up

Aquaview Aquarium (2.5 Gallons)

The Aquaview is a compact and stylish solution to keeping fish without sacrificing large amounts of space around your home. This corner tank provides plenty of space and comfort for your fish, but can also be easily placed in the corner of a room. It’s a 2 and a half gallon tank, which would be suitable for several small to medium sized fish. But it’s not just space that this tank provides, as there is also a selection of energy efficient LED lights that light up the tank and make it look pretty spectacular. The tank is perfect for beginners who want an ‘All-in-1’ package too, as it comes complete with filters and other accessories to ensure the safety and health of the fish. The Amazon reviews mention that is the perfect size for a bedroom or small room, and the filters are quiet enough to not disturb you whilst you sleep. To find out more about this product, please click on the green button above.

KollerCraft Tank (1 Gallon)

This corner tank from Kollercraft is far smaller than the other 2 tanks that we have included in this list so far, but is a great tank for any fish owner looking to keep small fish on their desk or in another small area. The corner shape of the tank makes it ideal for homes or offices where space is tight but you still want to give your fish a comfortable tank. This tank is also great for beginners looking to start keeping fish, as it is nice and compact. The lid has a built in light that will light up the tank, as well as an air pump to keep your fish happy. There are over 130 reviews for this item, with many of the review saying that the tank was great for small fish and for beginners too. If you’d like to read some of these reviews, and you’d like to learn more about this item, click the button below.


ClearForLife 20 Gallon Hexagon Aquarium

This is a hexagon cornered uniquarium – for those of you who aren’t aware, a uniquarium is a fish tank that has a built in filter, making it a perfect choice for beginners and any fish keeper who doesn’t want to mess around with purchasing their own filters. At 20 gallons in volume, there is more than enough room here for several smaller fish, and the hexagonal design of the tank means that it can fit into places where larger fish tanks wouldn’t be able to. Here is a list of the main features:

  • Built in filtration – crucial to ensure the cleanliness of the water
  • 2 inch pedestal base – creates a unique look and elevates the aquarium slightly
  • Acrylic – a safe and strong material
  • Made by ClearForLife – a trusted and world renowned fish tank company

SeaClear 20 Gallon Hexagon Tank

This impressive hexagon fish tank has cornered edges, which is why we’ve included it in our list. However the main reason it makes the list is because it’s a pretty awesome aquarium. At 20 gallons, it’s big enough to hold most species of fish, and is also tall enough to hold most types of decorations. Here are the main features of this tank:

  • Acrylic – Strong and a good insulator, helping to keep the temperature of the tank stable
  • Corrosion and leak resistant
  • Lightweight
  • Chip resistant
  •  Fluorescent light fixture

SeaClear 26 Gallon Flat Back Hexagon Aquarium

Hexagon corner fish tanks are probably the best kind of tank to have if space is an issue, because they can fit into the tightest spaces (or you could put your tank on the wall). This is a flat back tank, which is perfect for anyone who has limited space in their home and which opens up a multitude of possibilities as to where you could keep the tank. Main features include:

  • Finest cast acrylic – a stunningly clear material that makes your aquarium look incredible
  • Lightweight – around half the weight of a similarly sized glass tank
  • Fluorescent LED hood – brings the tank to life
  • Available in black only
  • Large Corner Fish Tanks & Aquariums (30 Gallons +)

Hexagon Clear For Life

This hexagon aquarium is the perfect home for any larger species of fish that you may look after. At 35 gallons, there’s more than enough room in this tank to hold larger fish. We’re huge fans of the design, and think that the hexagon shape is perfect for fish who like a bit of privacy. What many people don’t talk about is how important corners are for fish – they love hiding in them! If you fill this tank with decorations and plants, then they’ll be able to hide in any corner they want.


Clear For Life Pentagon

This pentagon shaped fish tank is perfect for slotting comfortably in any corner of your home. The unique pentagon shape of this tank means that you can view your fish from a variety of different angles, and it can easily fit into a variety of spaces in your home. The tank is made from acrylic material, which is perfect for viewing fish in their natural habitat, and is a completely safe material for fish to live in. It also makes any plants or decorations that you add to the tank look even more attractive as the light catches certain colors perfectly through acrylic. This tank is also available in 3 different colors which are blue, black and clear, each of which can give a unique look to your tank. If you’d like to find out more about this awesome item, click the buttton below to be taken to Amazon.

Clear For Life Pentagon

A pentagon is an ideal shape for a corner fish tank, because you can squeeze the tank into a corner but still make it easy for people to see into the tank. We love this pentagon aquarium from ClearForLife because of how big it is (50 gallons!) but also because of the unique shape. Here are the main features of this corner tank:

  • Available in 3 different colors – including 2 types of blue and jet black
  • 50 gallons in size
  • Made from acrylic – considered to be safer than glass (especially if the tank was to break) and is a good insulator
  • Made by Clear-For-Life – one of the most popular fish tank manufacturers in the world
  • Dimensions – 24″L x 24″W x 24″H

So there are some awesome corner fish tanks for you to check out. If space is tight in your home or office, having a fish tank that fits anywhere is a great way to save room. But you should always make sure that your fish have plenty of room to live comfortably, and their comfort and happiness should be your priority! Please feel free to check out some of the other items we have here at FishTankBank!

If you’re still unsure whether or not a corner fish tank would be a good idea for your fish, then don’t worry. We understand that it can be tricky to buy fish tanks without seeing them first-hand. Fortunately, we are going to list some of the advantages and disadvantages of these items, so you can make a fully informed decision!


As I’ve outlined above, corner tanks are perfect for fish keepers who are struggling to find adequate space for their fish in their home. Whether it’s because you live in a small house, or because you already have a fully stocked home, these tanks can fit in the corner of any room, making them ideal for pet owners who are looking to save on space. Another great thing about these tanks is that they are fully functional and safe for fish. All that separates them from standard tanks is that they have corners, which make them suitable for tight spaces. Provided that you don’t put large fish in here, they will be happy!


One of the major disadvantages of these corner tanks is that they are limited to smaller fish. I would never recommend that you let larger fish inhabit these tanks, as they simply wouldn’t have sufficient room to live comfortably. And really, that is the only disadvantage!

So hopefully by now you’re able to make a completely informed decision about how suitable a corner fish tank would be for your fishy friend! If you need any further advice about these tanks, please don’t hesitate to get in touch with us today!