6 Inch Full Size Mattress

Find the right 6 Inch Full Size Mattress for your bedroom and sleep needs with a selection from Mattress Firm. Explore available options, compare prices and details, and find a mattress that fits your space and budget.

Sort & Filter

Tulo Lavender 6" Firm Memory Foam Mattress

217

Starting at

$182⁹⁹

$319⁹⁹

$137 OFF

Firm Comfort, best for

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

Purple Original Mattress

59759

Starting at

$1200⁰⁰

$1499⁰⁰

$299 OFF

Medium Comfort, best for

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

Sealy Essentials Spruce 5.5" Firm Mattress

1372

Starting at

$424⁹⁹

$699⁹⁹

$275 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Sleepy's By Sealy Hybrid Mattress

459

Starting at

$599⁹⁹

$1199⁹⁹

$600 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

A 6 inch full size mattress can be a practical choice when you want full-size sleeping space without adding substantial height to a room. A full mattress typically measures about 54 inches wide by 75 inches long, giving one sleeper plenty of room to stretch out and allowing two people to share the surface more compactly. The six-inch profile can work especially well in spaces where every inch matters, such as a guest room, studio apartment, dorm-style bedroom, vacation home or child’s room. Its lower height may also make it easier to get in and out of bed for younger sleepers, and it can create a more balanced look with a low platform, trundle setup or compact bed frame. When the mattress arrives, give it time to expand according to the manufacturer’s instructions, especially if it is delivered as a mattress in a box. A new mattress may have a temporary odor after unpacking, so allowing air to circulate in a well-ventilated room can help the space feel fresh before the bed is made. A six-inch full size mattress may also be a thoughtful gift for someone furnishing a first apartment, preparing a room for visiting family or creating a comfortable place for a child or teenager to sleep. It is a particularly useful option when the recipient needs a complete sleep surface but has limited room for bulky bedroom furniture. During the cooler months, a neatly prepared guest bed can make a home feel welcoming, whether it is tucked into a quiet corner near a reading lamp or dressed with soft layers for an overnight visitor.

Before choosing a 6 inch full size mattress, consider who will use it, how often it will be slept on and what support system will be underneath it. A mattress foundation, platform bed or other compatible base should provide consistent support across the full surface, with slats spaced according to the mattress manufacturer’s requirements. Gaps that are too wide can affect the feel of the mattress over time, while an uneven or aging foundation may create dips that no new mattress can fully correct. Measure the inside of the bed frame as well as the available floor space, since a full size mattress needs room for sheets, blankets and enough clearance to walk comfortably around the bed. It is also worth checking the total sleep height created by the mattress and foundation together. A lower six-inch mattress can be helpful on a tall frame, while a very low base may place the sleeping surface close to the floor and make cleaning underneath more difficult. For a child, occasional guest or smaller adult, a six-inch profile may offer an inviting combination of accessible height and comfortable cushioning. Heavier sleepers, couples or people who prefer a deeper, more substantial sleep surface may want to compare this profile with a thicker option, such as a 10 Inch Full Mattress. Sleep position matters, too. Side sleepers often appreciate cushioning that helps relieve pressure around the shoulders and hips, while back and stomach sleepers may prefer a more supportive feel that helps keep the body aligned. Because comfort is personal, review the materials, firmness description, sleep trial terms and warranty information before completing a purchase. A mattress that feels pleasantly supportive for a teenager may feel different to a tall adult or a couple sharing the same surface, so matching the construction to the sleeper is more useful than focusing on thickness alone.

The right bedding can help a 6 inch full size mattress feel finished and inviting. Choose sheets labeled for a full size mattress and check pocket depth so fitted corners stay smooth instead of pulling loose during the night. A mattress protector can help guard against spills, perspiration and everyday wear, which is especially useful in a child’s room, guest room or frequently used rental space. Add a breathable comforter or quilt for lighter warmth, then layer a blanket that can be folded at the foot of the bed as temperatures shift. The lower profile also leaves room to personalize the sleep space with under-bed drawers, baskets or a simple bedside table, provided those additions do not interfere with ventilation or the foundation. In a guest room, small details such as a reading light, a clear place for a phone and an extra blanket can make the room feel considered rather than temporary. In a student bedroom or first apartment, the same mattress can serve as a dependable foundation for a simple, space-conscious setup. For a young sleeper moving into a larger bed, a full size mattress offers room to grow without taking up as much space as a king. Rotate the mattress only if the care instructions recommend it, and avoid folding, bending or placing it on an incompatible frame. Regularly check the foundation, keep the sleep surface clean and follow the care guidance provided with the mattress. With the right base, bedding and expectations, a 6 inch full size mattress can bring practical comfort to everyday sleep, occasional visits and the changing needs of a home through warmer days and cooler nights. We make sleep easy™ by helping you compare the details that matter, from mattress size and profile to support, setup and long-term care.

What materials are commonly used in a 6 inch full size mattress? + -

A 6 inch full size mattress may feature layers of foam, memory foam or innersprings, depending on its design. Check the product details for information about the materials and construction.

What type of bed frame works with a 6 inch full size mattress? + -

A 6 inch full size mattress can typically be used with a compatible platform bed, slatted bed frame or foundation. Follow the manufacturer’s guidelines for spacing and support.

What bedding fits a 6 inch full size mattress? + -

Full size sheets and other full size bedding are generally designed for this mattress category. Look for fitted sheets with a pocket depth that matches the mattress profile.

How should a 6 inch full size mattress be cared for? + -

Use a mattress protector, rotate the mattress if the manufacturer recommends it and keep it on a properly supported foundation. Always follow the care instructions provided with the mattress.

Who might choose a 6 inch full size mattress? + -

This mattress category may suit guest rooms, children’s rooms, dorm-style spaces or other areas where a lower-profile sleep surface is preferred. Consider the room setup and the type of foundation being used.