6 square kitchen island ideas that blend style and practical design

If you think of a standard island, a rectangular design probably comes to mind. But it's not the only option available. In some cases, square kitchen islands are the best way to make the most of your space.

Choosing the right kitchen island ideas will depend entirely on your space and how you use it, but don't be quick to write off unexpected designs. Sometimes, straying from the obvious shape is what will give your kitchen a more elevated finish.

But what's the best way to design a kitchen with a square island? These stylish ideas embrace the less-conventional shape and prove just how practical and aesthetic they can be.

Square kitchen island ideas that get the designer seal of approval

There are so many ways to design a square kitchen island to maximize seating, storage, and countertop space, as well as cater to more compact schemes. Here are a few ideas worth considering.

1. Maximize storage space

Because a square kitchen island is often a lot deeper than a rectangular design, there is far more space for storage. However, the way you design it is important for accessible space.

The brief for varied and usable storage has been nailed in this kitchen by Alice Lane Interior Design. Drawers have been chosen to ensure every inch of storage space can be accessed, while a narrow open shelf creates a zone for a decorative display.

2. Introduce a freestanding square island to embrace the trend for unfitted designs

Freestanding kitchens are one of 2025's biggest and most coveted kitchen trends, inviting a more unique, characterful style into schemes. A square island table like in this space is a perfect way to embrace the trend.

Opting for a freestanding design in a square rather than a rectangle not only feels more unique, but it helps to prevent the design from feeling too much like a kitchen table. It's also a more contemporary approach if that's your style.

3. Add a square island to a multifunctional kitchen

A square kitchen island can be really useful in multi-functional spaces. In this space, a square design offers abundant space for seating, an island sink, and space beneath for storage and a wine rack.

'An island can take up space or give you more; it’s all about making sure you design for your needs before aesthetics,' says Selena Quick, founder of PAD.London.

A square island can be more functional if you need it for multiple uses – there's adequate space between the seating zone and cooking space, and often more capacity for integrated appliances beneath that might take up too much space on a rectangular design.

4. Create zones on a square island with bar seating

Even if you have a small square kitchen island, you can still create zones for its different uses. This is particularly useful if you want to add seating and a cooktop to your design.

In this kitchen by Kristen Elizabeth Design, the majority of the square island is used for prep space and the cooktop. The countertop space where the seats are has been raised to create bar-style seating that doesn't impede the cooking area.

5. Break up a large square island

If you're opting for a large square kitchen island, you might want to consider a more creative design to maximise the entire space. Consider how you can make all of the storage and surface space accessible in a deeper design, like in this scheme.

'One approach is to divide the island into functional zones, ensuring practicality and ease of use. In our Cool Calm Contemporary project, the square U-shaped island exemplifies this concept by creating distinct cooking and social areas, enhancing both functionality and interaction within the space,' says Rebecca Barker, designer at Grid Thirteen.

6. Create a statement with a waterfall countertop

Square kitchen islands are also favorable in small kitchens for a space saving solution. If you are designing a more compact island, why not make a statement with your kitchen countertops?

This doesn't mean you have to go bold or busy – a waterfall countertop will instantly elevate your small space and give it a sense of luxury you can't achieve with a standard design.

These spaces prove that square kitchen island ideas can be just as stylish and functional as the more obvious designs. Done well, they can add extra storage, seating, and countertop space, even in the smallest of schemes.