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Split California King Mattress

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Split California King Mattress

Split California King Mattresses

Looking for a couple's sleep solution? Explore answers to common questions about mattress size, comfort, bedroom fit, and mattress types to find the best option for your home. Try out a split California king mattress and discover the perfect mattress for your needs at Ashley.

What is a split California king mattress?

A split California king mattress consists of two separate 36-by-84-inch beds combined to form an extra-long surface, allowing each partner to customize firmness or adjust their side independently.

What size mattress for split california king?

Split California king mattress size:
  • Two separate mattresses, each 36" x 84"
  • Combined size: 72" x 84" for extra length
  • Each side allows individualized comfort
  • More legroom than a split king, but slightly narrower
Explore Ashley for variety of split California king mattress types, including memory foam and hybrid models.

Is split California King the same as two twin XL?

No, a split California king is not the same as two twin XL mattresses. Here are the key differences:
  • A split California king uses two mattresses, each measuring 36" x 84"
  • A twin XL mattress measures 38" x 80"
A split California king is longer and narrower than the combination of two twin XL mattresses.

Where to buy split California king mattress?

You can purchase a split California king mattress from Ashley either online or in-store. Shopping online provides you convenient way to compare models and review policies, while visiting a local Ashley store allows you to test mattresses and receive personalized assistance. Ashley also offers flexible financing options to make your purchase easier.

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For additional details on the offers on this page, click here to learn more.

In-store Only: No interest for 60 months
On in-store purchases made with your Ashley Advantage® Synchrony credit card. Equal monthly payments required for 60 months. Minimum purchase may be required. Down payment up to 30% may be required on another payment type for in-store purchases.

Not combinable with other offers and discounts. If any down payment is required, the qualifying purchase amount is determined prior to any down payment, taxes or delivery. Qualifying purchase amount, less any applicable down payment, must be on one receipt. No interest will be charged on amount financed and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the initial amount financed, divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months' rounding. Regular account terms apply to non-promo purchases. New Accounts: As of 7/31/2025 Purchase APR is 34.99%. Penalty APR is 39.99%. Minimum Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval. Excludes Samsung appliances and electronics. Discounts on Regular Price items may be available depending on the payment method or promotional financing offer you select. For more information on our Regular Price discounts or for additional promotional financing options, see a sales associate for details. 

Zero interest if paid in full within 2 years‡*
On qualifying purchases made with your Ashley Advantage® Synchrony credit card. Interest will be charged to your account from the purchase date if the promotional balance is not paid in full within 24 Months. Minimum monthly payments required. Minimum purchase of $1499 required online.

‡*Qualifying purchase amount must be on one receipt. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 7/31/2025: Purchase APR 34.99%. Penalty APR 39.99%. Min Interest Charge $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval. Discounts on Regular Price items may be available depending on the payment method or promotional financing offer you select. For more information on our Regular Price discounts or for additional promotional financing options, see a sales associate for details.

$1 to Start‡^
‡^“$1 to start” is available for applications online and in select stores, does not include taxes, & refers to the rental period from agreement start date to 1st scheduled renewal payment. On 1st renewal date, regular rental rates, taxes & fees will apply. Rate, term and total cost vary by item selected. This is not a promotion for a specific transaction/item nor an offer for a loan, credit, or financing. See lease for payment amounts & rental terms. Offer will not reduce the number of payments, total amount to acquire ownership, or purchase option amount. Customers in California will pay a $0 initial rent payment and a $1 processing fee to start.

Email & SMS Welcome Offer: $50 off your next purchase^†
^†Use the promo code provided for $50 off your purchase of $999.99 or more at participating Ashley-branded stores or at checkout on www.ashleyfurniture.com. Previous purchases excluded. Minimum purchase amount must be met in a single transaction before taxes and delivery fees. Cannot be combined with any other offer or discount. Offer excludes clearance/closeouts, floor models, furniture protection plans, warranty, service charges, or Purple, Beautyrest Black®, Sealy Conform™, Tempur-Pedic®, Nectar, Stearns & Foster®, Serta® iComfort®, Sealy® Hybrid™, Serta® Motion Essentials® and Serta® Motion Perfect® product purchases. Offer is nontransferable and does not apply to sales tax, shipping, In-Home Delivery, or handling charges. Prices or offers may vary in Hawaii and Alaska. Ashley-branded stores may be owned and operated by Ashley Global Retail, LLC (or subsidiaries), or independent licensees. See store associate for more details. Offer expires 30 days after coupon issued online at 11:59pm EST.