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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Tempur-Pedic TEMPUR-LuxeBreeze Medium Hybrid 13" Mattress

1899

Starting at

$10398⁰⁰

Medium Comfort, best for

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

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

Sleepy's By Sealy Spring Medium Mattress

1459

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 with code ELEVATE

Beautyrest Black Series One 14.75" Medium Pillow Top Mattress

317

Starting at

$3299⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Reverie Split Top Adjustable Base

123

Starting at

$1799⁰⁰

Sleepy's By Sealy Skye Hybrid Mattress

2020

Starting at

$600⁹⁹

Medium Comfort, best for

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

Queen mattress & base now $499 with code ELEVATE

Purple RestorePlus 13" Firm Hybrid Mattress

1666

Starting at

$3999⁰⁰

Firm Comfort, best for

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

Sealy Posturepedic Elite Hybrid High Point II 14" Soft Mattress

443

Starting at

$2999⁰⁰

Plush Comfort, best for

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

Receive $200 Instant Gift⁴ with purchase.

Tempur-Pedic TEMPUR-Ergo Smart Adjustable Base

888

Starting at

$2199⁰⁰

Calm app 3-month free trial with mattress purchase & registration

Tempur-Pedic TEMPUR-LuxeBreeze Firm 13" Mattress

1420

Starting at

$5199⁰⁰

Firm Comfort, best for

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

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

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Mattress

3680

Starting at

$2899⁰⁰

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

Beautyrest Black Hybrid Series Four 16" Plush Apex Top Mattress

Starting at

$6199⁰⁰

Plush Comfort,

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

$300 ⁶ adjustable base instant gift with purchase.

Bedgear Ver-Tex Performance Mattress Protector

142

Starting at

$360⁹⁹

Pain;Bed Partner;Temperature;Toss and Turn

Bedgear Dri-Tec Mattress Protector

140

Starting at

$210⁹⁹

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

Bedgear Hyper-Cotton Sheet Set

100

Starting at

$250⁹⁹

Pain;Bed Partner;Toss and Turn
Allergies

Tempur-Pedic TEMPUR-Pro-Performance Sheet Set

344

Starting at

$128⁶⁰

$319⁰⁰

$191 OFF

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

$180⁹⁹

Temperature;Allergies
Allergies

Save $150 when you bundle¹⁰. Use Code: DELUXE

Tempur-Pedic TEMPUR-Ergo ProSmart Adjustable Base

Starting at

$2699⁰⁰

Calm app 3-month free trial with mattress purchase & registration

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Medium Hybrid Mattress

2084

Starting at

$4199⁰⁰

Medium Comfort, best for

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

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

Tempur-Pedic TEMPUR-LuxeAdapt 13" Firm Previous Generation Mattress

1780

Starting at

$3430⁷⁷

$4899⁰⁰

$1469 OFF

Firm Comfort, best for

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

Sierra Sleep By Ashley Chime 12" Memory Foam Mattress

452

Starting at

$1575⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Best Split King Mattress

When searching for the best split king mattress, it’s important to consider how this innovative sleep solution can transform your nightly routine and meet the unique needs of you and your partner. A split king mattress is essentially two Twin XL mattresses placed side by side, allowing each sleeper to choose their preferred comfort level, firmness, and even adjustability. This customization is especially valuable for couples with different sleep preferences—whether one person prefers a plush surface while the other needs extra support, or if one partner is a restless sleeper while the other craves undisturbed rest. As winter lingers into February and the nights remain chilly, the ability to independently select a mattress with the right warmth, pressure relief, and support can make all the difference in waking up refreshed. Many people find a split king mattress to be a thoughtful gift for newlyweds, parents, or anyone moving into a new home, as it offers a foundation for quality sleep and shared comfort without compromise. For those who appreciate the luxury of an adjustable bed, the best split king adjustable bed can further enhance the experience by letting each partner elevate their head or feet, find a zero-gravity position, or even enjoy built-in massage features—all without disturbing the other side.

Selecting the best split king mattress for your needs means weighing several factors, from sleep position and firmness preference to cooling technology and motion isolation. Side sleepers often seek out the best split king mattress for side sleepers, which typically offers plush or medium support to cushion the shoulders and hips while maintaining spinal alignment. Back or stomach sleepers, on the other hand, might gravitate toward a firm split king mattress that delivers the level of support needed to keep the body properly aligned throughout the night. Additionally, split king mattresses are a favorite among those who suffer from back pain or require adjustable bed compatibility, as they allow for tailored elevation and support in key areas. The best split head king mattress is another option for couples who want some split adjustability at the head of the bed while maintaining a unified feel through the rest of the surface. As you explore different materials—memory foam for contouring pressure relief, hybrid designs for a blend of support and breathability, or innerspring for classic bounce—it’s helpful to test out what feels most comfortable for you. Many modern split king mattresses come with generous sleep trials and long-term warranties, offering peace of mind as you make this important investment in your well-being.

Beyond comfort and support, today’s split king mattresses are designed to enhance your entire sleep environment. Features like advanced cooling layers help regulate temperature during the cooler months, while reinforced edge support makes getting in and out of bed easier. If you’re considering a split king adjustable base, make sure your mattress is compatible and flexible enough to move with the base’s contours. Couples who want a plush, cloud-like feel without sacrificing adjustability can explore curated collections like Plush Mattresses For Split King Adjustable Bases for options that blend softness with versatile support. Whether you’re upgrading your master suite or creating a guest room retreat, a split king mattress offers the flexibility, individualized comfort, and modern features that support restful sleep and healthy routines all year long.