A split king adjustable bed is essentially two Twin XL sleeping surfaces placed side by side. Each side can generally move independently, allowing two people to choose different head and foot positions.
Costco's current selection includes adjustable bases and mattress-and-base combinations. For example, its Arianell bundle includes two Twin XL mattresses and two Twin XL adjustable bases for the split king configuration, with a synchronization cable included.
How A Split King Adjustable Bed Works
Unlike a traditional king bed with one mattress, a split king setup uses two separate mattress and base sections.
Common features include:
- Independent head adjustment
- Independent foot adjustment
- Separate controls for each side
- Synchronization capability on selected models
- Zero gravity positions on some adjustable bases
- Adjustable leg heights on certain bases
Costco's Sleep Science Q-Series Adjustable Base, for example, offers head and foot positioning, a wireless remote with programmable memory buttons, and adjustable leg heights.
What To Look For In A Costco Bundle
When comparing a split king bundle, the adjustable base is only one part of the setup. The mattress construction and compatibility are equally important.
Check these features:
- Mattress type: Memory foam, hybrid, or pocket coil
- Firmness: Choose according to individual comfort preferences
- Base movement: Check available head and foot positions
- Remote controls: Look for independent or synchronized operation
- Mattress compatibility: Confirm that the mattress is designed for adjustable use
- Warranty: Review coverage for both the mattress and base
For example, Costco's Arianell split king bundle uses 12-inch pocket coil foam mattresses with a medium-firm/plush comfort description and dual electric motors.
Tips For Comparing Split King Adjustable Beds
The most suitable bundle depends on your sleeping preferences, bedroom space, and desired features. It is useful to compare complete specifications rather than focusing only on the bundle name.
Before choosing a model:
- Measure your available bedroom space.
- Confirm the split king dimensions.
- Compare mattress construction and firmness.
- Check the base's weight capacity.
- Review remote and adjustment functions.
- Check delivery and setup details.
- Read the manufacturer's warranty information.
Costco currently lists split king adjustable bases separately as well as mattress and adjustable-base combinations, so comparing both approaches can help you understand the available configurations.
What To Know Before Choosing
Availability, pricing, and specific models can change over time. Costco's mattress pages also indicate that selected online mattresses may include delivery and setup, although availability and included services can vary by product and location.
It is also worth checking whether you need a complete mattress-and-base bundle or already have a compatible mattress. Buying the components separately may provide more flexibility, while a bundle can simplify the process of matching the mattress and adjustable base.
A Costco split king adjustable bed bundle can provide two independently adjustable sleeping surfaces while maintaining the overall width of a traditional king bed. Current Costco offerings demonstrate that configurations can include two Twin XL mattresses and two adjustable bases, while separate adjustable bases are also available.