King Size Mattresses With Advanced Coil Support

King Size Mattresses With Advanced Coil Support offer a spacious sleep surface for couples, families and anyone who prefers more room to stretch out. Explore options in different comfort levels, materials and designs to find a mattress that fits your sleep preferences, bedroom and budget. Compare available choices and take the next step toward better zzz's.

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Sealy Essentials Winter Green 12" Medium Euro Top Mattress

603

Starting at

$739⁹⁹

$1379⁹⁹

$640 OFF

Medium Comfort, best for

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

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1099⁹⁹

$2199⁹⁹

$1100 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2615

Starting at

$839⁹⁹

$1499⁹⁹

$660 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3296

Starting at

$709⁹⁹

$1699⁹⁹

$990 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

981

Starting at

$4099⁰⁰

$4699⁰⁰

$600 OFF

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Beautyrest Black Series Four 17.5" Medium Summit Pillow Top Mattress

605

Starting at

$5899⁰⁰

$6599⁰⁰

$700 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Sleepy's By Sealy Skye Hybrid Mattress

2336

Starting at

$699⁹⁹

$999⁹⁹

$300 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Basic Innerspring Firm Mattress

8676

Starting at

$249⁹⁹

Firm Comfort, best for

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

Sleepy's Rest Firm 2.0 Innerspring Mattress

7001

Starting at

$449⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1433

Starting at

$1999⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2784

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2233

Starting at

$619⁹⁹

$1299⁹⁹

$680 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Sudley 8.5" Firm Mattress

989

Starting at

$499⁹⁹

$999⁹⁹

$500 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1863

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1810

Starting at

$859⁹⁹

$1999⁹⁹

$1140 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's By Sealy Slumber Cushion Firm Mattress

301

Starting at

$1999⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 12" Plush Euro Top Mattress

735

Starting at

$569⁹⁹

$1399⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1186

Starting at

$859⁰⁰

$999⁰⁰

$140 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 12" Plush Mattress

1140

Starting at

$729⁹⁹

$1699⁹⁹

$970 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

1130

Starting at

$979⁰⁰

$1249⁰⁰

$270 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1610

Starting at

$599⁹⁹

$1199⁹⁹

$600 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

905

Starting at

$1109⁰⁰

$1399⁰⁰

$290 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 13.5" Plush Mattress

916

Starting at

$939⁰⁰

$1099⁰⁰

$160 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Two 16.5" Medium Pillow Top Mattress

293

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Mattress

3858

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Medium Comfort, best for

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

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

Purple RestorePlus 13" Soft Hybrid Mattress

3530

Starting at

$3600⁰⁰

$4399⁰⁰

$799 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

King size mattresses with advanced coil support provide a spacious sleep surface along with the responsive, durable support many sleepers need for comfortable rest. Designed with individually wrapped coils, reinforced support zones or precision-engineered innerspring systems, these king mattresses help promote more balanced weight distribution from head to toe. Zoned coil systems can offer targeted support beneath the shoulders, hips and lower back, while firmer coils around the perimeter help create a stable edge for getting in and out of bed and using the full surface. Whether you prefer the buoyant feel of a traditional innerspring mattress or the pressure-relieving comfort of a hybrid mattress with advanced coils and foam layers, a king size mattress can help you find the right combination of support, comfort and room to stretch out Advanced coil technology can also enhance motion isolation, airflow and long-term mattress performance. Individually wrapped coils move more independently than traditional interconnected springs, which may help reduce the transfer of movement when a partner changes sleeping positions during the night. The open structure of a coil support system allows air to circulate through the mattress, helping promote a fresher, more breathable sleep environment compared with some all-foam designs. Shoppers can choose from plush, medium and firm king mattresses with advanced coil support to match their preferred sleep position and comfort level, including options for side sleepers seeking pressure relief, back sleepers looking for stable lumbar support and combination sleepers who appreciate responsive movement. Pairing a supportive king mattress with the right bed frame, adjustable base or foundation can help create a comfortable sleep system made for better zzz's and more restful nights

What are advanced coil systems in a mattress? + -

Advanced coil systems are mattress support structures designed with features such as individually wrapped coils, zoned arrangements or multiple coil layers. These designs can be paired with foam, latex or other comfort materials.

How do individually wrapped coils differ from connected coils? + -

Individually wrapped coils are enclosed in separate fabric pockets, while connected coils are joined by wires or other materials. The construction affects the mattress's feel, flexibility and overall design.

What does zoned coil support mean? + -

Zoned coil support refers to arranging coils in sections with different firmness levels or configurations. A mattress may use this approach to create varied support across its surface.

What comfort materials are commonly paired with advanced coils? + -

Advanced coil systems are often combined with materials such as memory foam, gel-infused foam, latex, quilted fabric and fiber fills. Each material contributes a different feel and level of cushioning.

How should I compare mattresses with different coil designs? + -

Compare the coil type, coil arrangement, number of layers, comfort materials and overall firmness. Paying attention to these details can help you choose a mattress construction that matches your preferred feel.