Super king sofa beds are versatile, practical pieces of furniture that serve as both a comfortable sofa and a spacious bed.
Ecosa’s fold-out 3.5 seater sofa beds open to a super king, around 183 to 186 cm wide. That’s at least 16 cm wider than a New Zealand king, and the same size Australians call a king.
Key Takeaways
- Your super king sofa bed opens to around 183 to 186 cm wide, giving you seating by day and room for two guests by night.
- Measure for the sofa and the open bed, since Ecosa’s fold-out 3.5 seaters open to between 196 and 221 cm long.
- Lighter colours, layered cushions, a side table and soft lamplight help a large sofa bed feel cosy rather than bulky.
For the bigger picture on sofa bed sizes and types, start with our guide to what a sofa bed is. The sections below focus on styling the super king.
Why Choose a Super King Sofa Bed?
You get generous seating by day and room for two guests by night with a super king sofa bed. Both jobs happen in one stylish piece of furniture, so your lounge or spare room works twice as hard.
Space-Saving Solution
Super king sofa beds can be a great space-saving solution when your lounge or spare room has to work double time. Instead of having a separate sofa and bed, a super king sofa bed combines both functions into one piece of furniture. This is especially useful for open-plan living areas and larger spare rooms that also serve as a study or second lounge.
Modern and Stylish Design
Modern super king sofa beds look just like regular sofas, with clean lines and soft, textured fabrics. Yours can be a statement piece in your room, adding a touch of elegance and sophistication.
Comfortable Sleeping Option
Our Sydney Sofa Bed and Tokyo Sofa Bed are comfortable to sleep on because each has a full-sized hybrid mattress built in. Pocket springs and foam layers give them a medium-firm feel. The mattress takes a standard super king fitted sheet, so you can make it up with regular bedding. This makes them a great option for accommodating guests or for anyone who needs a multi-functional piece of furniture in a bigger living space.

Styling Your Super King Sofa Bed
Style a super king sofa bed by giving it room to open fully, then layering colour, texture and soft light around it.
Choose the Right Size
Choose this size when your room can fit it both closed and fully open. Measure the area where you plan to place the sofa bed and check you have enough room to fully extend it.
Ecosa’s fold-out 3.5 seaters measure about 203 to 237 cm wide as a sofa. Opened, the bed is 183 to 186 cm wide and 196 to 221 cm long, depending on the model.
Consider the Colour and Material
Lighter colours keep a large sofa bed from overpowering the room, while the material sets the mood.
Choose leather, like our Sydney Leather Sofa Bed, for a more modern and sleek look. If you prefer a softer and cosier feel, opt for a fabric sofa bed in a neutral colour.
Add Accent Pillows and Throws
Accent pillows and throws add a pop of colour and texture to your super king sofa bed. This adds visual interest and makes the sofa bed more inviting and comfortable. Choose pillows and throws in complementary colours and patterns to tie the room’s look together.
Incorporate a Side Table
Place a side table next to your sofa bed and it doubles as a bedside table when guests stay. It can hold a lamp, books, or a glass of water. Choose a side table that complements the style of your sofa bed and adds to the room’s overall aesthetic.
Use a Rug to Define the Space
Rugs define the seating zone around a super king sofa bed, especially in open-plan living areas. This helps create a cosy and intimate seating area that feels like its own space. Choose a rug that complements the colour and style of your sofa bed and adds texture to the room.
Add Greenery
Plants are a great way to add life and colour to any room. Consider adding a few potted plants near your sofa bed to bring a touch of nature into your living space. Plants add visual interest and help the room feel more relaxed. Keep large pots clear of the floor space the bed folds out into.
Keep It Simple and Clutter-Free
Fewer, well-chosen pieces make a super king sofa bed look better and open faster. Avoid overcrowding the space with too many decorative items or furniture. This can make the room feel cramped and overwhelming. Instead, choose a few favourite pieces that complement the sofa bed and create a cohesive look.
Consider Lighting
Soft, ambient light from a floor or table lamp makes a super king sofa bed feel cosy and inviting. Place the lamp beside the sofa so guests can switch it off from bed. Warm bulbs work best for an easy, relaxed evening glow.

Style Ideas to Try
Minimalist, cosy and boho looks all work well with a super king sofa bed, and each one starts with the sofa’s colour.
Modern and Minimalist
Start with a sleek sofa bed in a neutral colour, like our Tokyo Sofa Bed in Fog Grey, for a modern and minimalist look. Add a few accent pillows and a cosy throw for a touch of comfort. Keep the rest of the room clutter-free, and add a few plants for a pop of colour.
Cosy and Inviting
Warm fabric colours, like our Sydney Sofa Bed in Rust, make a room feel cosy straight away. Add a plush rug and a few accent pillows in complementary colours. Incorporate a side table and a floor lamp for added functionality and ambience.
The Riva Sofa Bed suits this look too, with soft, rounded curves and a richly textured woven fabric.
Boho Chic
Rich, warm leather anchors a boho chic look, so try our Sydney Leather Sofa Bed in Toffee Brown. Add a variety of patterned and textured accent pillows and throws for a cosy and eclectic feel. Incorporate a few plants and a floor lamp for added visual interest.

Style Your Super King Sofa Bed
Good styling starts with planning for both jobs your super king sofa bed does, comfortable seating by day and a guest bed by night. Choose the right size and colour first, then add a few accessories that make it more inviting.
For sculptural style, try our Riva Sofa Bed, a rounded 3.5 seater that opens to a super king. Its richly textured woven fabric adds warmth to any lounge. Inside, a medium-firm hybrid mattress with pocket springs and high-density foam gives guests real support.
Explore our full range of super king sofa beds to find the style that suits your space.