Best Split King Mattress

Experience personalized comfort and restful sleep with the Best Split King Mattress options available at Mattress Firm. Perfect for couples with different sleep preferences, a split king mattress offers individualized support while maximizing space and flexibility in your bedroom. Explore a variety of high-quality choices designed to enhance your sleep routine and transform your nightly rest into a luxurious experience. Find the Best Split King Mattress to suit your unique needs and enjoy the benefits of tailored comfort every night.

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Sealy Posturepedic Elite Hybrid High Point II 14" Soft Mattress

321

Starting at

$2799⁰⁰

$2999⁰⁰

$200 OFF

Plush Comfort, best for

Side Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn
Temperature
Allergies

Receive $200 Instant Gift⁴ with purchase.

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$900⁹⁹

$1350⁹⁹

$450 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Bed Partner;Pain;Toss and Turn;Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Pressuresmart MF 15" Plush Euro Top Mattress

Starting at

$2800⁹⁹

Plush Comfort, best for

Side Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tempur-Pedic TEMPUR-ProAdapt 12" Medium Mattress

3418

Starting at

$2699⁰⁰

$2899⁰⁰

$200 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Bedgear Dri-Tec Mattress Protector

125

Starting at

$200⁹⁹

Pain;Bed Partner;Temperature;Allergies;Toss and Turn
Temperature

Bedgear Ver-Tex Performance Mattress Protector

122

Starting at

$330⁹⁹

Pain;Bed Partner;Temperature;Toss and Turn

Bedgear StretchWick Mattress Protector

104

Starting at

$130⁹⁹

Temperature;Pain;Bed Partner;Allergies;Toss and Turn
Temperature

Tempur-Pedic TEMPUR-Pro-Performance Sheet Set

206

Starting at

$80⁷⁵

$319⁰⁰

$239 OFF

Dr. Weil Relaxed Hemp Sheet Set

Starting at

$600⁰⁰

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

$180⁹⁹

Temperature;Allergies
Allergies

Save $150 when you bundle¹⁰. Use Code: DELUXE

Reverie Split Top Adjustable Base

107

Starting at

$1799⁰⁰

Purple RestorePlus 13" Firm Hybrid Mattress

1659

Starting at

$3699⁰⁰

$3999⁰⁰

$300 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Sleepy's By Sealy Spring Medium Mattress

1301

Starting at

$600⁹⁹

$900⁹⁹

$300 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Toss and Turn;Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Sierra Sleep By Ashley Chime 12" Memory Foam Mattress

424

Starting at

$440⁹⁹

$1575⁹⁹

$1135 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

Best Split King Mattress

When considering a split king mattress, it’s helpful to picture the unique flexibility and comfort it brings to the bedroom. A split king is essentially two twin XL mattresses placed side by side, creating a king-sized sleep surface while allowing each sleeper to personalize their own side. This setup is especially valuable for couples with different sleep preferences—whether one prefers a plush, cloud-like feel and the other needs a firmer, more supportive surface. The split design also pairs perfectly with a mattress firm split king adjustable base, offering independent head and foot adjustments for each sleeper. Imagine relaxing on a crisp October evening, adjusting your side of the bed for reading while your partner finds the perfect incline for restful sleep, all without disturbing each other. This level of customization can transform bedtime routines, making it easier to unwind, watch TV, or alleviate discomfort from conditions like acid reflux or back pain. As the days grow shorter and the chill sets in, having a mattress firm split king adjustable bed can make your bedroom feel like a cozy retreat, tailored to your exact needs.

Selecting the best mattress split king involves a few key considerations. First, think about compatibility with adjustable bases, as not all mattresses flex equally well. Materials like memory foam and hybrid constructions tend to contour and move with the base, offering smooth transitions between positions. If you’re shopping for a gift—perhaps for newlyweds, older parents, or anyone who values restorative sleep—a split king mattress is a thoughtful choice that brings long-term comfort and convenience. The ability to customize each side is particularly beneficial for partners with different sleeping positions or firmness preferences. Side sleepers may gravitate toward softer, pressure-relieving models, while back or stomach sleepers might seek firmer support for spinal alignment. For those who sleep hot, look for advanced cooling technologies within the mattress to maintain a comfortable temperature year-round. And as fall ushers in cooler nights, the right mattress can help you snuggle in and enjoy restorative sleep, waking up refreshed and ready for the day.

At Mattress Firm, we understand the importance of finding the right fit for your lifestyle and comfort needs. That’s why we offer a wide selection of mattress firm split king options, including models designed for compatibility with adjustable bases. Warranty coverage and sleep trial periods are important factors to keep in mind—many split king mattresses come with generous policies so you can try them out at home without worry. Whether you’re upgrading your primary bedroom, outfitting a guest suite, or searching for the perfect gift for a loved one, a split king mattress offers versatility and individualized comfort that stands out from traditional king beds. For those who crave a luxuriously soft feel, we invite you to explore our curated collection of Plush Mattresses For Split King Adjustable Bases, ideal for enhancing your adjustable bed experience. With the right mattress firm split king, you can create a personalized sleep sanctuary that adapts to your needs season after season.