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.

Show More

Sort & Filter

PressureSmart 2.0 Firm 11" Mattress

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Temperature
Bed Partner

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

Dri-Tec Mattress Protector

Bedgear Dri-Tec Mattress Protector

Starting at

Allergies
Temperature

Ver-Tex Performance Mattress Protector

Bedgear Ver-Tex Performance Mattress Protector

Starting at

Temperature

StretchWick Mattress Protector

Bedgear StretchWick Mattress Protector

Starting at

Allergies
Temperature

TEMPUR-Pro-Performance Sheet Set

Tempur-Pedic TEMPUR-Pro-Performance Sheet Set

Starting at

MF 15" Plush Euro Top Mattress

Pressuresmart MF 15" Plush Euro Top Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

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

SmartLife Saffron 12" Firm Mattress W/ Wired Remote

King Koil SmartLife Saffron 12" Firm Mattress W/ Wired Remote

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Relaxed Hemp Sheet Set

Dr. Weil Relaxed Hemp Sheet Set

Starting at

Deluxe Cool Stretch Sheet Set

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

Temperature
Allergies

Save $150 when you bundle¹⁰. Use Code: DELUXE

Split Top Adjustable Base

Reverie Split Top Adjustable Base

Starting at

TEMPUR-ProAdapt 12" Medium Mattress

Tempur-Pedic TEMPUR-ProAdapt 12" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

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

RestorePlus 13" Firm Hybrid Mattress

Purple RestorePlus 13" Firm Hybrid Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner
Temperature

TEMPUR-LuxeAdapt 1.0 13" Firm Mattress

Tempur-Pedic TEMPUR-LuxeAdapt 1.0 13" Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Temperature
Pain
Bed Partner

By Sealy Spring Medium Mattress

Sleepy's By Sealy Spring Medium Mattress

Starting at

Medium Comfort, best for

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

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

Posturepedic Elite Hybrid High Point II 14" Soft Mattress

Sealy Posturepedic Elite Hybrid High Point II 14" Soft Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Allergies

Receive $200 Instant Gift⁴ with purchase.

Ashley Chime 12" Memory Foam Mattress

Sierra Sleep Ashley Chime 12" Memory Foam Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

Related Pages

Best Sellers

PressureSmart 2.0 Firm 11" Mattress

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

PressureSmart 2.0 Plush 11.75" Mattress

Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

Starting at

By Sealy Medium Euro Top Mattress

Sleepy's By Sealy Medium Euro Top Mattress

Starting at

iSeries 2.0 Hybrid 1000 12" Medium Mattress

Serta iSeries 2.0 Hybrid 1000 12" Medium Mattress

Starting at

Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

Starting at

Top Collections

Join today & enjoy an extra 15% off online or in-store

Loading footer...