King Mattresses for Sale – Memory Foam, Hybrid & Innerspring Beds

Stretch Out in Luxury with Our King Mattress Collection

Our king mattresses at Best Buy Furniture offer expansive comfort and cutting-edge support—ideal for couples, families with co-sleeping kids or pets, and anyone who loves extra room. With 25 years of trusted service in Philadelphia & New Jersey, our king lineup delivers top-tier materials, a 120-night sleep trial, and free setup for your ultimate peace of mind.

Why Shop Our King Mattresses?

• Generous Dimensions – At 76″ × 80″, king size provides ample space for two adults plus pets or kids without feeling cramped.

• Customized Support – Available in plush, medium-firm, and firm profiles, plus split-king dual-comfort options for individualized sleep zones.

• Premium Construction – High-density memory foams, zoned pocketed coils, natural latex layers, and cooling gels engineered for lasting performance.

• Risk-Free Trial & Warranty – Enjoy 120 nights to test comfort; return or exchange at no charge—and rest easy with a 10-year limited warranty.

• Free Local Delivery & Setup – Same-day delivery throughout Philly & NJ, white-glove setup in your bedroom, plus old-mattress removal.

Modern & Innovative Designs

Experience the latest in king mattress technology:

• Gel-Infused Memory Foam – Draws heat away for cool, pressure-relieving slumber.

• Pocketed Coil Hybrids – Individually wrapped springs adapt to body contours while minimizing partner motion.

• Natural Latex Comfort – Breathable, eco-friendly layers that combine resilience with hypoallergenic benefits.

• Euro-Top & Pillow-Top Surfaces – Luxurious plushness over a supportive core—no compromise between softness and support.

• Split-King Configurations – Two twin-XL mattresses in one king frame, each with its own firmness and movement isolation.

Unbeatable Discounts & Value

Upgrade to king size without the steep price:

• Up to 50% Off select king mattresses during clearance events.

• Bundle & Save – Add a foundation or adjustable base and enjoy an extra 10% off.

• Flash Sales – Weekly markdowns on top king models; email subscribers get VIP early access.

• Flexible Financing – 0% APR for 6–24 months or rent-to-own starting at $29/week (no credit check).

• Price Match Guarantee – We’ll match any local retailer’s advertised price on identical king mattresses.

Types & Styles of King Mattresses

• All-Foam King Mattresses – Memory foam or latex for contouring comfort and minimal partner disturbance.

• Innerspring King Mattresses – Classic coil systems with reinforced edges for durability and enhanced airflow.

• Hybrid King Mattresses – Foam comfort layers atop responsive pocketed coils for balanced support and cooling.

• Latex King Mattresses – GOLS-certified natural latex for eco-friendly buoyancy and resilience.

• Adjustable Base-Compatible – Flexible constructions designed to bend with power bases without damage.

• Organic & Natural King Mattresses – CertiPUR-US® foams and Oeko-Tex® fabrics for chemical-free, hypoallergenic sleep.

Sleep Tips & Inspiration

• Choose Your Firmness: Side sleepers often prefer medium-soft to medium-firm; back and stomach sleepers typically need medium-firm to firm support.

• Top It Off: Enhance luxury with a plush or cooling mattress topper to fine-tune your feel.

• Rotate Seasonally: Rotate your mattress 3–6 months to even out wear and prevent sagging.

• Support Your Base: Pair with a sturdy slatted foundation or adjustable base to uphold your warranty and maximize support.

• Create a Sanctuary: Complement your king mattress with breathable, high-thread-count linens, blackout curtains, and soft lighting for restful ambiance.

Frequently Asked Questions

1. What room size do I need for a king mattress?
A bedroom of at least 12′ × 12′ is recommended to fit a king bed plus walking space and bedside tables.

2. What is a split-king mattress?
Two twin-XL mattresses side by side, each with its own comfort level and reduced motion transfer—perfect for partners with different preferences.

3. Can I use my old foundation with a new king mattress?
Yes—if it’s in good condition and the correct size. For best performance, we recommend a new foundation or adjustable base.

4. What is included in the 120-night trial?
Sleep risk-free for 120 nights; if it’s not right, we’ll arrange pickup and a full refund or exchange at no cost.

5. How long will my king mattress last?
With proper care and rotation, most high-quality king mattresses maintain comfort and support for 7–10 years.

What Our Customers Are Saying

“Our new split-king hybrid feels like a custom mattress—my husband loves firm, I love plush, and we both sleep soundly!”
— Laura M., Philadelphia, PA

“King size gave us so much extra space. The gel-foam top kept me cool all summer.”
— Jason R., Cherry Hill, NJ

“Free setup and old-mattress removal made everything seamless. Highly recommend!”
— Priya K., Mount Laurel, NJ

“The latex king is bouncy, breathable, and eco-friendly—couldn’t be happier.”
— Anthony L., Camden, NJ

“Great deal—I bundled the king mattress with an adjustable base during the flash sale and saved big!”
— Emily T., West Chester, PA

Ready to upgrade to king size? Explore our full king mattress collection now and schedule your complimentary sleep consultation today!