Looking Beyond the Serta Five Star Mattress Tranquility? 6 Alternatives Worth a Look
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The Serta Five Star Mattress Tranquility 10" King offers medium-firm support with zoned lumbar foam and durable coils. This hybrid design targets combination sleepers who need pressure relief for their lower back and hips. You might also appreciate its breathable cover and CertiPUR-US certified foams for a cooler sleep environment.
However, you may prefer other options if you want a different feel or construction. These 6 Serta Five Star Mattress Tranquility alternatives were selected because their specifications overlap with the original. The list includes memory foam models for side sleepers and other hybrids for stomach support. You can compare thickness, firmness levels, and cooling features to find the right fit for your body type and sleep position.
Our top pick: Serta Five Star Tranquility 10" King.
How the alternatives compare
MLILY King Green Tea Memory Foam
The MLILY King Green Tea Memory Foam replaces the Serta hybrid’s coil support with a full memory foam core. This shift creates a softer, more contouring feel compared to the Tranquility’s medium-firm structure. You get superior pressure relief for side sleeping, but you lose the bounce and airflow that durable coils provide. The cover is fiberglass-free, which is a safety plus. If you prefer a plush, hugging surface over structured support, this model suits you. It matches the 10-inch height but weighs less, making setup easier. Choose this if cooling and deep sinkage matter more than spinal alignment from coils.
Zinus 10-Inch Green Tea Memory Foam King Mattress
The Zinus 10-Inch Green Tea Memory Foam offers a certified foam alternative to the Serta’s hybrid build. It lacks coils entirely, relying on green tea-infused memory foam for comfort. This design prioritizes pressure relief for side sleepers, differing from the Tranquility’s focus on lumbar support for combination sleepers. Both share CertiPUR-US certification and bed-in-a-box convenience. However, the Zinus is lighter and provides a softer feel. You give up the durable coil support system if you choose this option. It is ideal if you want a budget-friendly, certified foam mattress with a focus on contouring rather than the balanced medium-firm feel of the Serta hybrid.
Zinus King Cooling Essential 10" Memory Foam
The Zinus King Cooling Essential 10" Memory Foam strips away the coil support core found in the Serta Tranquility. It uses all-foam construction with a medium feel, targeting side and back sleepers. Unlike the hybrid design, this mattress relies on foam layers for support and cooling. It offers a simpler, more affordable structure without the durability of durable coils. The medium firmness is comparable, but the pressure relief mechanism is entirely different. You trade the zoned lumbar support of the Serta for a uniform foam surface. This option works best if you want a straightforward, medium-support foam bed without the complexity or weight of a hybrid mattress.
Signature Design by Ashley Chime 10 Inch Hybrid King
The Signature Design by Ashley Chime 10 Inch Hybrid King mirrors the Serta’s hybrid construction with coils and foam. It targets back and stomach sleepers who need sturdy support, similar to the Tranquility’s medium-firm profile. Both models offer coil support and bed-in-a-box convenience. The Ashley variant focuses on traditional coil stability without the specific zoned lumbar foam found in the Serta. It provides a sturdy, medium-firm feel suitable for those who prefer coil bounce over foam contouring. If you want a reliable hybrid with durable coils but do not need the specific hip and lower back zoning, this model is a practical alternative with a similar profile and support structure.
Ashley 10" Memory Foam King
The Ashley 10" Memory Foam King shifts from hybrid to all-foam construction, removing the durable coils present in the Serta Tranquility. It offers a medium-firm feel, matching the Serta’s firmness level but through foam compression rather than coil support. This model suits back and stomach sleepers who want firm support without the bounce of coils. You gain a lighter, simpler mattress but lose the targeted lumbar zoning and airflow benefits of the hybrid design. The CertiPUR-US certification is shared. Choose this if you prefer a firm, foam-based surface and do not require the specific pressure relief or support distribution provided by the Serta’s zoned foam and coil system.
LUCID 10-Inch Gel Memory Foam King Mattress
The LUCID 10-Inch Gel Memory Foam King replaces the Serta’s hybrid coils with a gel-infused memory foam core. It targets cooling and spinal alignment for adjustable base users. The medium feel is similar, but the support comes from foam rather than durable coils. This design offers a fiberglass-free cover, a safety feature not explicitly mentioned for the Serta. You lose the bounce and edge support typical of hybrids. This model is best for sleepers who prioritize cooling gel technology and adjustable base compatibility over the zoned lumbar support and hybrid durability of the Tranquility. It provides a straightforward, cool sleep surface without the complexity of a coil system.
Quick picks
Our 7 picks
Serta Five Star Tranquility 10" King
Best for: combination sleepers needing lumbar support
- Size
- King
- Thickness
- 10 inches
- Firmness
- Medium-Firm
- Support Core
- Durable coils
- Comfort Layer
- PillowSoft Aire and PillowSoft Foams
- Cover Material
- Airflow-enhancing cover
The Serta Five Star Tranquility is a 10-inch medium-firm King mattress combining durable coils with PillowSoft Aire foam. It features a 3-Zone Support layer for lumbar alignment and an airflow-enhancing cover for breathability. This bed-in-a-box design offers a balanced feel suitable for combination sleepers. It is CertiPUR-US certified and made in the USA with global components, providing a structured yet contouring sleep surface.
Pros
- Durable coil support core reduces partner disturbance
- 3-Zone Support Foam targets lower back and hips
- Airflow-enhancing cover promotes cooler sleep
- Medium-firm feel supports proper spinal alignment
Cons
- 10-inch thickness is standard, not premium height
- Foam layers may retain heat more than all-coil designs
- Limited to medium-firm feel, not plush or soft
Good fit if
- You prefer a medium-firm balance for combination sleeping
- You need targeted lumbar support for back alignment
- You want a durable coil and foam hybrid
Skip if
- You require a plush, soft sleep surface
- You need a mattress taller than 10 inches
- You prefer all-foam or all-latex construction
Verdict: Serta Five Star Tranquility 10" King delivers reliable support for combination sleepers who value lumbar alignment and breathability. It suits those seeking a structured, medium-firm hybrid feel without excessive height.
MLILY King Green Tea Memory Foam
Best for: Sleepers seeking medium comfort and cooling
- Size
- King
- Thickness
- 10 in
- Firmness
- Medium
- Mattress Construction
- Green tea memory foam
- Comfort Layer
- Gel-infused memory foam
- Cover Material
- 92% Cotton, 8% Polyester rib fabric
The MLILY King mattress offers a 10-inch profile with a medium feel, rated around 5 out of 10 on the firmness scale. It uses gel-infused green tea memory foam to help dissipate heat while contouring to your body. The cover is a blend of 92% cotton and 8% polyester. It is CertiPUR-US certified and fiberglass-free. This bed suits those seeking pressure relief and a balanced sleep surface.
Pros
- Medium feel rated 5/10 for balanced support
- Gel-infused foam aids in cooling
- Fiberglass-free flame retardant cover
- CertiPUR-US certified foam
Cons
- Weighs 71 pounds, making it heavy
- No smart features or app control
- Limited to memory foam construction
Good fit if
- You prefer a medium, cushioning feel
- You want a fiberglass-free cover
- You need pressure relief for shoulders and hips
Skip if
- You require a firm, supportive surface
- You need adjustable firmness settings
- You want a hybrid or innerspring design
Verdict: MLILY King Green Tea Memory Foam provides a cool, medium-soft sleep surface for side and combination sleepers. It is a solid choice if you prioritize pressure relief and a fiberglass-free cover over firm support.
Zinus 10-Inch Green Tea Memory Foam King Mattress
Best for: side sleepers seeking pressure relief
- Size
- King
- Thickness
- 10 in
- Mattress Construction
- Memory foam
- Support Core
- 5.5 in high-density base foam
- Comfort Layer
- Green tea memory foam
- Certification
- CertiPUR-US certified
View on Amazon: Zinus 10-Inch Green Tea Memory Foam King Mattress
This Zinus King mattress uses 10 inches of CertiPUR-US certified memory foam for pressure relief. It features a 2.5 inch green tea infused comfort layer, a 2 inch airflow foam layer, and a 5.5 inch high-density base. The bed-in-a-box design expands within 72 hours. It suits side sleepers and petite to average-weight individuals seeking a cool, conforming surface.
Pros
- 10 inch total thickness with 2.5 inch green tea memory foam comfort layer
- CertiPUR-US certified for durability and content safety
- 5.5 inch high-density base support foam for stability
- Compressed in a box for easy maneuvering and setup
Cons
- Only 10 inches thick compared to deeper premium options
- Requires 72 hours to fully regain shape after unboxing
- No cooling gel infusion in this specific Green Tea model
Good fit if
- You are a side sleeper needing pressure relief
- You prefer a mattress with green tea infused foam
- You want a CertiPUR-US certified memory foam bed
Skip if
- You require a mattress thicker than 10 inches
- You need immediate full expansion without waiting
- You prefer a hybrid or innerspring construction
Verdict: Zinus 10 Inch Green Tea King Memory Foam offers a certified, pressure-relieving surface ideal for side sleepers who value a bed-in-a-box convenience and green tea infused comfort layers. It delivers solid support for average-weight users within a standard 10 inch profile.
Zinus King Cooling Essential 10" Memory Foam
Best for: Side and back sleepers seeking medium support
- Size
- King
- Thickness
- 10 in
- Firmness
- Medium
- Mattress Construction
- Memory foam
- Comfort Layer
- Cooling gel memory foam
- Cover Material
- Breathable cover
View on Amazon: Zinus King Cooling Essential 10" Memory Foam
This Zinus mattress offers a medium feel in a 10-inch profile. It uses cooling gel memory foam to pull heat away from your body. The construction is fiberglass-free, using a carbon-rayon flame barrier instead. It includes CertiPUR-US certified foam and an OEKO-TEX Standard 100 cover. This setup supports side, back, and combination sleepers in a King size.
Pros
- Cooling gel memory foam comfort layer
- Fiberglass-free carbon-rayon flame barrier
- CertiPUR-US certified foam and OEKO-TEX cover
- Medium feel for balanced support
Cons
- Standard 10-inch thickness
- No adjustable firmness settings
- Memory foam may retain some heat
Good fit if
- You prefer a medium feel
- You want fiberglass-free safety
- You sleep as a side or back sleeper
Skip if
- You need a firm support
- You require adjustable firmness
- You want a thicker profile
Verdict: Zinus King Cooling Essential 10" Memory Foam suits those who want a balanced, medium feel with safety certifications. It is a practical option for side and back sleepers in a King size.
Signature Design by Ashley Chime 10 Inch Hybrid King
Best for: Back and stomach sleepers wanting coil support
- Size
- King
- Thickness
- 10 in
- Firmness
- Medium Firm
- Mattress Construction
- Hybrid
- Support Core
- Individually wrapped coils
- Comfort Layer
- Gel memory foam
View on Amazon: Signature Design by Ashley Chime 10 Inch Hybrid King
The Signature Design by Ashley Chime is a 10-inch hybrid king mattress combining gel memory foam with individually wrapped coils. It offers medium-firm support suitable for back, side, and stomach sleepers. The design includes quilt foam for comfort and CertiPUR-US certified materials. It weighs 85 pounds and fits standard king frames. This model provides lumbar support through its coil system.
Pros
- Hybrid construction with gel memory foam and wrapped coils
- Medium-firm feel supports back, side, and stomach sleepers
- CertiPUR-US certified foam for low emissions
- 10-year limited warranty coverage
Cons
- Heavier at 85 pounds compared to all-foam alternatives
- No remote or app control features listed
- Fiberglass presence not explicitly excluded in data
Good fit if
- You prefer the bounce of coils over pure foam
- You sleep on your back or stomach
- You want medium-firm support for lumbar alignment
Skip if
- You need a lightweight mattress for easy setup
- You prefer a soft, plush memory foam feel
- You require smart home integration features
Verdict: Signature Design by Ashley Chime Hybrid King delivers traditional coil support with foam comfort for stomach and back sleepers. It suits you if you want a sturdy, medium-firm hybrid without smart features.
Ashley 10" Memory Foam King
Best for: Back and stomach sleepers wanting firm support
- Size
- King
- Thickness
- 10 in
- Firmness
- Medium Firm
- Mattress Construction
- Memory Foam
- Support Core
- Firm support foam
- Comfort Layer
- Gel memory foam
This Signature Design by Ashley mattress offers a 10-inch profile with medium firm support. It uses gel memory foam to contour to your body while firm foam relieves pressure points. The CertiPUR-US certified foam ensures low emissions. Weighing 70 pounds, it fits most king bed frames. It is a solid option for those seeking a balanced feel without complex features.
Pros
- 10-inch height with medium firm support
- Gel memory foam for comfort and cooling
- CertiPUR-US certified foam for safety
- 10-year limited warranty included
Cons
- Heavier at 70 pounds than some foam alternatives
- No adjustable firmness settings mentioned
- Lacks smart features like app control
Good fit if
- You prefer a medium firm feel for back or stomach sleeping
- You want a certified foam mattress with a 10-year warranty
- You need a standard king size that fits most frames
Skip if
- You require a hybrid construction with coils
- You need adjustable firmness levels
- You prefer a lighter mattress for easy setup
Verdict: Ashley 10" Memory Foam King provides reliable support and certified comfort for standard sleepers. It suits those who value a balanced medium firm feel and a long warranty over advanced adjustability.
LUCID 10-Inch Gel Memory Foam King Mattress
Best for: Cooling sleepers on adjustable bases
- Size
- King
- Thickness
- 10 in
- Firmness
- Medium
- Mattress Construction
- memory foam
- Support Core
- high-density base
- Comfort Layer
- gel foam
The LUCID 10 Inch Gel Memory Foam Mattress offers a medium feel with a 3-inch gel-infused comfort layer and a 5.5-inch high-density base. It includes bamboo charcoal for moisture regulation and is fiberglass-free. This king-size model works on adjustable bases and ships compressed. It suits sleepers seeking cooling support without a box spring.
Pros
- 3-inch gel memory foam comfort layer
- Bamboo charcoal moisture absorption
- Fiberglass-free construction
- Adjustable base compatible
Cons
- 70.4-pound weight makes moving difficult
- 10-inch profile limits deep contouring
- No remote or app control
Good fit if
- You want a fiberglass-free mattress
- You use an adjustable base
- You prefer a medium firmness level
Skip if
- You need a plush, deep-contour feel
- You require smart home integration
- You need a lightweight mattress
Verdict: LUCID 10 Inch Gel King Mattress fits those who prioritize cooling and spinal alignment in a medium-feel design. It is a solid option for adjustable base owners who want a straightforward, fiberglass-free foam bed.
Specifications side by side
| Spec | Serta Five Star Tranquility 10" King | MLILY King Green Tea Memory Foam | Zinus 10-Inch Green Tea Memory Foam King Mattress | Zinus King Cooling Essential 10" Memory Foam | Signature Design by Ashley Chime 10 Inch Hybrid King | Ashley 10" Memory Foam King | LUCID 10-Inch Gel Memory Foam King Mattress |
|---|---|---|---|---|---|---|---|
| Size | King | King | King | King | King | King | King |
| Thickness | 10 inches | 10 in | 10 in | 10 in | 10 in | 10 in | 10 in |
| Firmness | Medium-Firm | Medium | not specified | Medium | Medium Firm | Medium Firm | Medium |
| Mattress Construction | not specified | Green tea memory foam | Memory foam | Memory foam | Hybrid | Memory Foam | memory foam |
| Support Core | Durable coils | not specified | 5.5 in high-density base foam | not specified | Individually wrapped coils | Firm support foam | high-density base |
| Comfort Layer | PillowSoft Aire and PillowSoft Foams | Gel-infused memory foam | Green tea memory foam | Cooling gel memory foam | Gel memory foam | Gel memory foam | gel foam |
| Cover Material | Airflow-enhancing cover | 92% Cotton, 8% Polyester rib fabric | not specified | Breathable cover | not specified | Stretch knit | not specified |
| Certification | CertiPUR-US certified | CertiPUR-US certified, fiberglass-free | CertiPUR-US certified | CertiPUR-US, OEKO-TEX, fiberglass free | CertiPUR-US certified | CertiPUR-US certified | CertiPUR-US certified, fiberglass free |
| Special Features | 3-Zone Support Foam | Cooling gel, pressure relief | not specified | Cooling gel, motion absorption | Lumbar support | Low motion transfer | cooling gel, bamboo charcoal |
| Intended Use | Combination sleepers | Platform bed, daybed | Pressure relief | Side, back, and combination sleepers | Back, side and stomach sleepers | Back and stomach sleepers | not specified |
| Color | White | White | White | White | White | White | White |
| Dimensions | 79.5 × 76 × 10 inches | 80 × 76 × 10 inches | 80 × 76 × 10 inches | 80 × 76 × 10 inches | 79.5 × 76 × 10 inches | 79.5 × 76 × 10 inches | 78.9 × 37.4 × 15.5 inches |
| Weight | 90.3 pounds | 71 pounds | 67 pounds | 71.5 pounds | 85 pounds | 70 pounds | 70.4 pounds |
| Model | 500944861-1060 | GRNTEA10-K-N | AZ-BTCM-10K | ZU-MFMA1OZI-10K | M69641 | M69941 | LU10KKMD30GF |
You can adjust surface plushness on any mattress by adding the best mattress toppers with down alternative.
Frequently asked questions
Is there a Serta Five Star Tranquility alternative that is better for side sleepers?
The Zinus 10-Inch Green Tea Memory Foam King Mattress is a strong option for side sleepers. It features a CertiPUR-US certified surface designed for pressure relief. This memory foam construction conforms to your body shape more than the hybrid coils in the Serta model, offering targeted comfort for hips and shoulders.
Which alternative provides the best cooling for hot sleepers?
The LUCID 10-Inch Gel Memory Foam King Mattress uses a cooling gel cover to manage temperature. This feature helps dissipate heat more effectively than standard foam layers. It maintains a medium feel while keeping the sleep surface cooler, making it suitable for those who prioritize temperature regulation during the night.
Are there hybrid alternatives to the Serta Five Star Tranquility?
Yes, the Signature Design by Ashley Chime 10 Inch Hybrid King offers a similar coil-based support system. It combines traditional innerspring coils with foam comfort layers. This design appeals to back and stomach sleepers who want sturdy support without relying on a full memory foam core like the MLILY or Zinus options.
Does any alternative offer a fiberglass-free cover?
The MLILY King Green Tea Memory Foam and the LUCID 10-Inch Gel Memory Foam King Mattress both feature fiberglass-free covers. This construction choice enhances safety and ease of maintenance. You get a clean sleeping surface without the need for protective encasements that are sometimes required for fiberglass-containing mattresses.
Which mattress is best for combination sleepers needing lumbar support?
The Serta Five Star Tranquility 10" King remains the top choice for combination sleepers requiring lumbar alignment. Its medium-firm hybrid structure supports the lower back effectively. If you seek an alternative, the Ashley 10" Memory Foam King provides reliable support, though it lacks the specific zoned coil design of the Serta model.
What is the thinnest profile available among these King alternatives?
Most listed alternatives, including the Serta Five Star Tranquility and the MLILY King, share a 10-inch thickness. This standard profile balances support and comfort without adding excessive height to your bed frame. The LUCID model also maintains this height, ensuring compatibility with most standard bedding accessories and fitted sheets.
Are there green tea infused options besides the Serta Five Star?
The MLILY King Green Tea Memory Foam and the Zinus 10-Inch Green Tea Memory Foam King Mattress both include green tea infusion. This additive helps maintain freshness and reduces odors in the foam layers. These options provide a pleasant scent profile while delivering the pressure-relieving benefits of memory foam construction.
Which alternative is best for stomach sleepers?
The Signature Design by Ashley Chime 10 Inch Hybrid King is ideal for stomach sleepers. Its medium-firm hybrid construction prevents excessive sinkage that can strain the lower back. The coil support system keeps your spine aligned, offering a sturdy surface that differs from the softer contouring of pure memory foam beds.