Cyber Monday Plush King Size Mattresses Sale

Shop our Cyber Monday plush king size mattress selection to find soft, pressure-relieving comfort in a spacious king size. Explore plush mattresses from trusted brands, with options to compare comfort levels and choose the right fit for your bedroom.

Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

301

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Purple RestorePlus 13" Soft Hybrid Mattress

3568

Starting at

$3999⁰⁰

$4399⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Soft Mattress

3564

Starting at

$3999⁰⁰

$4199⁰⁰

$200 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

$300 Instant Gift⁴ with purchase of a mattress set + Calm app 3-month free trial.

Purple Restore 11.5" Soft Hybrid Mattress

1689

Starting at

$2999⁰⁰

$3399⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Soft Mattress

1580

Starting at

$5299⁰⁰

$5599⁰⁰

$300 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

$300 Instant Gift⁴ with purchase of a mattress set + Calm app 3-month free trial.

Beautyrest Black Series Three 16.75" Plush Pillow Top Mattress

1520

Starting at

$4599⁰⁰

$5199⁰⁰

$600 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Four 17.25" Plush Summit Pillow Top Mattress

314

Starting at

$5899⁰⁰

$6599⁰⁰

$700 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest BR800 Greenwood 13.5" Plush Pillow Top Mattress

2825

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Toss and Turn
Temperature
Pain

FREE ADJUSTABLE BASE ³ with code ELEVATE

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

2106

Starting at

$3429⁷⁷

$4899⁰⁰

$1469 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn

Tempur-Pedic TEMPUR-LuxeBreeze Soft 13" Mattress

1623

Starting at

$6299⁰⁰

$6599⁰⁰

$300 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

$300 Instant Gift⁴ with purchase of a mattress set + Calm app 3-month free trial.

Stearns & Foster Estate 14.5" Plush Mattress

1097

Starting at

$2899⁰⁰

$3099⁰⁰

$200 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

$300 Instant Gift⁴ with purchase of a mattress set.

Stearns & Foster Estate 15" Plush Euro Pillow Top Mattress

991

Starting at

$3099⁰⁰

$3299⁰⁰

$200 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

$300 Instant Gift⁴ with purchase of a mattress set.

Sleepy's By Sealy Spring Plush Mattress

863

Starting at

$1599⁹⁹

$2049⁹⁹

$450 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Lux Estate 16" Plush Euro Pillow Top Mattress

836

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 Instant Gift⁴ with purchase of a mattress set.

Beautyrest BR800 Greenwood 12" Plush Euro Top Mattress

765

Starting at

$609⁹⁹

$1399⁹⁹

$790 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Toss and Turn
Temperature
Pain

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple RestorePremier 13" Soft Hybrid Mattress

760

Starting at

$4799⁰⁰

$5199⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

Cyber Monday plush king size mattresses bring together a soft, cushioned feel and the generous space that makes a shared bed more inviting. A standard king mattress measures approximately 76 inches wide by 80 inches long, giving two adults room to stretch out, change positions and settle into their own corners without feeling crowded. That extra width can be especially welcome when one person curls up while the other sleeps with arms outstretched, or when a child joins you for a quiet morning under the covers. Plush describes the mattress’s surface feel, not its dimensions or a universal level of support. A well-matched plush mattress lets your shoulders and hips ease into the comfort layers while the underlying construction supports the rest of your body. The sensation might be a gentle cradle, a pillowy cushion or a more responsive softness, depending on the materials and design. Side sleepers often appreciate cushioning around the shoulder and hip, where a firmer surface can feel unforgiving, though comfort also depends on body weight, proportions and personal preference. Some back sleepers enjoy a plush surface over a stable support system, while stomach sleepers may need a firmer feel to keep their midsection from sinking too deeply. Think about the position you actually wake up in, not just the one you choose when you first lie down. If you tend to tuck a hand beneath your pillow or roll onto your side halfway through the night, those small habits can help you recognize what feels comfortable. During the cooler months, when evenings may include a book in bed or an extra blanket, a roomy mattress can make the bedroom feel more welcoming. Choosing a plush king is ultimately about finding softness you enjoy without giving up the steady, balanced support you need through the night.

When comparing Cyber Monday plush king mattresses, look beyond the word “plush” and consider how each mattress creates that feel. Memory foam generally contours closely and responds more slowly, which can appeal to sleepers who like a settled-in sensation. Other cushioning foams may spring back faster, making it easier to shift positions without feeling deeply nestled. Hybrid constructions pair comfort layers with coils, offering varying combinations of contouring, airflow and responsiveness. A pillow top or Euro top adds an upholstered layer near the surface, but neither term alone tells you how soft, supportive or durable the whole mattress will be. Read the construction details alongside the comfort description, and remember that firmness labels are not standardized across manufacturers. Your body weight also changes the experience: a lighter sleeper may rest closer to the surface, while a heavier sleeper may compress the same layers more deeply. For couples, motion isolation deserves attention, especially if one person gets up early or changes positions frequently. Edge support matters too. A stable perimeter can help the mattress feel usable across more of its width and provide a steadier place to sit while putting on socks. If you sleep warm, look at breathable covers and airflow through the mattress, while keeping in mind that sheets, protectors, bedding and room temperature also influence comfort. Cooling features vary, and a cool-to-the-touch cover does not necessarily describe how a mattress will feel throughout the night. If you can try a comparable feel in person, spend several minutes in your usual sleeping positions rather than judging from a quick seat on the edge. Notice whether your shoulder feels cushioned, whether your hips sink noticeably lower than your torso and whether turning over takes more effort than you prefer. Partners should compare comfort together when possible, because the right shared mattress needs to accommodate two sets of habits rather than simply favoring whoever chooses first.

A plush king mattress is a substantial addition to a bedroom, so practical details are just as important as surface comfort when browsing Cyber Monday options. Measure the room with your nightstands, dresser and bed frame in mind, leaving enough space to move comfortably around the bed and open drawers. A king is wider than a queen but typically the same length; a California King is generally narrower and longer than a standard king, so the two sizes need matching frames and bedding. Check mattress height as well as width and length. A thick comfort stack on a tall foundation can make getting into bed awkward, while a lower setup may not suit someone who prefers a higher sitting surface. Deep mattresses may also require fitted sheets with larger pockets. Confirm the mattress’s foundation requirements, including any limits on slat spacing, and verify adjustable base compatibility if you want to elevate your head or feet. Do not assume that every plush construction bends the same way. Before ordering, measure doorways, stairwells and tight hallway turns, then review whether the mattress arrives compressed or at full size. Delivery setup, packaging removal and removal of an existing mattress may be separate services, so check what is included when comparing total costs. Review the comfort trial, exchange or return conditions and warranty terms, paying particular attention to any required adjustment period, fees and support requirements. A mattress can be a thoughtful shared household gift, but the person sleeping on it should have a voice in choosing its feel. For a smaller bedroom or a bed intended for one person, Cyber Monday plush full size mattresses offer another size to consider; a standard full measures approximately 54 inches wide by 75 inches long. For a king, balance the listed price with construction, comfort, delivery needs and the bedding or foundation you may need to add. The most useful comparison is the complete setup: enough room for the people using it, cushioning that suits their sleeping positions and support that feels reassuring when the lights go out.

What is a plush mattress? + -

A plush mattress has a softer, more cushioned feel created by comfort layers such as foam, quilted fabric or fiber padding. It is designed for shoppers who prefer a gentle, cozy surface.

What materials are commonly used in plush mattresses? + -

Plush mattresses may include memory foam, latex, innerspring coils, hybrid comfort layers or quilted upholstery. The materials vary by model and can influence the mattress’s feel, breathability and responsiveness.

How does a plush mattress differ from a pillow-top mattress? + -

Plush describes the overall feel of a mattress, while pillow-top refers to an additional cushioned layer sewn onto the top. A pillow-top mattress can have a plush feel, but not every plush mattress has a pillow-top design.

Can a plush mattress be used with an adjustable base? + -

Many plush mattresses are compatible with adjustable bases, but compatibility depends on the mattress construction and the base manufacturer’s guidelines. Check the product specifications before pairing them.

What bedding works well with a plush mattress? + -

Deep-pocket sheets, a breathable mattress protector and a lightweight comforter can complement a plush mattress. Choose bedding with enough stretch and depth to fit comfortably over the mattress surface.