Soft King Mattresses For Side Sleepers

Soft King Mattresses For Side Sleepers offer a spacious and cozy sleep solution designed to support your favorite sleep position. With generous dimensions and a plush feel, these mattresses create an inviting environment for those who prefer to rest on their side. Discover options that prioritize comfort and help promote restful nights, so you can wake up feeling refreshed and ready for the day. Explore our selection of Soft King Mattresses For Side Sleepers to find the perfect fit for your bedroom retreat.

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Sleepy's By Sealy Memory Foam Medium Mattress

2977

Starting at

$470⁹⁹

Medium Comfort, best for

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

Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

5746

Starting at

$2300⁹⁹

Plush Comfort, best for

Side 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)

Sleepy's By Sealy Medium Euro Top Mattress

3666

Starting at

$600⁹⁹

Medium Comfort, best for

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

Queen mattress & base now $499 with code ELEVATE (must add base to cart)

Sleepy's Basic Hybrid Mattress

1658

Starting at

$600⁹⁹

Medium Comfort, best for

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

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

Sleepy's By Sealy Memory Foam Plush Mattress

2392

Starting at

$1900⁹⁹

Plush Comfort, best for

Side 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)

Beautyrest PressureSmart 2.0 Plush Pillow Top 13.75" Mattress

2514

Starting at

$1900⁹⁹

$2400⁹⁹

$500 OFF

Plush Comfort, best for

Side 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)

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1273

Starting at

$2000⁹⁹

Medium Comfort, best for

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

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

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2564

Starting at

$1500⁹⁹

Plush Comfort, best for

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

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

Serta Perfect Sleeper Sleep Excellence Plush Mattress

722

Starting at

$1700⁹⁹

Plush Comfort, best for

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

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

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5265

Starting at

$890⁹⁹

Medium Comfort, best for

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

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

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5265

Starting at

$1020⁹⁹

Medium Comfort, best for

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

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

Tulo Lavender 10" Medium Plush Memory Foam Mattress

721

Starting at

$340⁹⁹

$510⁹⁹

$170 OFF

Medium Comfort, best for

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

Purple Original Mattress

29991

Starting at

$1999⁰⁰

Medium Comfort, best for

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

Beautyrest BR800 12" Plush Euro Top Mattress

645

Starting at

$1400⁹⁹

Plush Comfort, best for

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

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

Sleepy's By Sealy Slumber Medium Mattress

131

Starting at

$2300⁹⁹

Medium Comfort, best for

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

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

Tulo Lavender 8" Medium Memory Foam Mattress

461

Starting at

$295⁹⁹

$460⁹⁹

$165 OFF

Medium Comfort, best for

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

Beautyrest Silver BRS900 12" Plush Mattress

973

Starting at

$1700⁹⁹

Plush Comfort, best for

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

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

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

923

Starting at

$1249⁰⁰

Plush Comfort, best for

Side Sleepers
Pain;Temperature;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)

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1596

Starting at

$1200⁹⁹

Plush Comfort, best for

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

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

Nectar Premier 13" Medium Memory Foam Mattress

179

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

830

Starting at

$1099⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;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)

Pressuresmart MF 15" Plush Euro Top Mattress

Starting at

$2400⁹⁹

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)

Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

258

Starting at

$3799⁰⁰

Plush Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Sealy Posturepedic Plus Hybrid High Point 14" Plush Mattress

4967

Starting at

$1450⁷⁷

$2899⁰⁰

$1449 OFF

Plush Comfort, best for

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

Tempur-Pedic TEMPUR-ProAdapt 12" Soft Mattress

3271

Starting at

$4099⁰⁰

Plush Comfort, best for

Side 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

Purple RestorePlus 13" Soft Hybrid Mattress

1661

Starting at

$3999⁰⁰

Plush Comfort, best for

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

Soft King Mattresses For Side Sleepers

Choosing a soft king mattress designed for side sleepers can transform the quality of your rest, especially if you’re seeking that plush, enveloping comfort that cushions your shoulders and hips. Side sleepers often gravitate toward softer surfaces because these beds help alleviate pressure points that can build up along the body’s curves. The ample space of a king-size mattress adds another layer of luxury, offering plenty of room to stretch out, switch positions, or even share with a partner, children, or pets without feeling cramped. Whether you’re a couple who enjoys sprawling out or an individual who likes to move freely throughout the night, a soft king mattress can make bedtime something to look forward to. These mattresses are also a thoughtful gift for newlyweds, parents adjusting to co-sleeping with a little one, or anyone setting up a new home. As August brings lingering summer warmth, many people find themselves tossing and turning in search of the coolest, most comfortable spot on the bed—soft king mattresses often feature advanced materials and breathable fabrics designed to keep you cool and cozy, even on the balmiest nights.

When shopping for a soft king mattress for side sleeping, there are several factors to keep in mind. Look for mattresses that offer a balance of plushness and support, so your spine stays properly aligned while you enjoy that cloud-like feel. Some mattresses feature innovative designs, such as a mattress firm one side soft other, allowing couples with different comfort preferences to sleep soundly together. Pay attention to the materials—memory foam, latex, and hybrid constructions each offer unique benefits, from contouring support to enhanced airflow. If you find that your mattress is almost perfect but could use a touch more softness, consider adding a plush topper; you can explore options like the Soft Support Mattress Toppers For Side Sleepers for an instant upgrade. Soft king mattresses are also ideal for guest rooms, providing a universally appealing comfort level that makes overnight visitors feel pampered and well-rested. As the seasons shift and routines change, investing in a mattress that supports your preferred sleeping position can make all the difference in how refreshed you feel each morning. A soft king mattress is more than just a place to sleep—it’s a retreat, a sanctuary, and a foundation for better nights and brighter days.