Serta iSeries 500 Cushion Firm
Mattress Ratings & Reviews

84/100

Very Good

Based on 84 real owner experiences with this mattress.

Back Support

Pressure Relief

Sleep Quality

Stays "Cool"

Value

N/A

Warranty Service

N/A

Average Lifespan

N/A

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Back Support

Pressure Relief

Sleep Quality

Stays "Cool"

Value

N/A

Warranty Service

N/A

Average Lifespan

N/A

Shop this Brand

on serta.com

Not sure this product is right for you?

Take the

GoodBed Match Quiz

Write a review of this product

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84 total ratings

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Review left on Jan 24, 2026

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

4/ 5

Sleep Quality

N/A

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 9 years

Condition: Moderately worn

55 - 64 years old

Male

Back Sleeper

200-250 lbs

Prefers Medium

Plus Size, Restless Leg

Review left on Jan 4, 2026

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

4/ 5

Sleep Quality

3/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 9 years

Condition: Moderately worn

45 - 54 years old

Male

Side Sleeper

150-200 lbs

Prefers Medium

Review left on Sep 1, 2025

Ratings from this sleeper:

Back Support

3/ 5

Pressure Relief

2/ 5

Sleep Quality

3/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 7 years

Condition: Moderately worn

35 - 44 years old

Female

Stomach Sleeper

< 100 lbs

Prefers Medium

Acid Reflux, Back Pain (lower / middle), Restless Leg, Sleeping Hot

CharissaFerguson, MO

Review left on Jul 14, 2025

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

3/ 5

Sleep Quality

5/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 10 years

Condition: Very worn

Over 65 years old

Female

Side Sleeper

250-300 lbs

Prefers Somewhat Harder

Airborne Allergies, Arthritis, Back Pain (lower / middle), Back Pain (upper / neck), Plus Size, Sleep Apnea

Review left on Jul 3, 2025

Ratings from this sleeper:

Back Support

2/ 5

Pressure Relief

4/ 5

Sleep Quality

5/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 7 years

Condition: Moderately worn

35 - 44 years old

Not Specified

Back Sleeper

100-150 lbs

Prefers Medium

Back Pain (lower / middle), Hip Pain, Back Pain (upper / neck)

Review left on May 26, 2025

Ratings from this sleeper:

Back Support

3/ 5

Pressure Relief

3/ 5

Sleep Quality

3/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 7 years

Condition: Moderately worn

35 - 44 years old

Male

Stomach Sleeper

150-200 lbs

Prefers Somewhat Harder

Acid Reflux, Back Pain (lower / middle), Hip Pain, Back Pain (upper / neck)

RushKyle, TX

Review left on May 26, 2025

Ratings from this sleeper:

Back Support

3/ 5

Pressure Relief

3/ 5

Sleep Quality

3/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 7 years

Condition: Moderately worn

35 - 44 years old

Male

Stomach Sleeper

150-200 lbs

Prefers Somewhat Harder

Acid Reflux, Back Pain (lower / middle), Hip Pain, Back Pain (upper / neck)

Philip BLong Island City, NY

Review left on Mar 2, 2025

Ratings from this sleeper:

Back Support

3/ 5

Pressure Relief

3/ 5

Sleep Quality

4/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 7 years

Condition: Moderately worn

45 - 54 years old

Male

Stomach Sleeper

250-300 lbs

Prefers Medium

Acid Reflux

Review left on Feb 25, 2025

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

4/ 5

Sleep Quality

3/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 2 years

Condition: Slightly worn

35 - 44 years old

Female

Side Sleeper

150-200 lbs

Prefers Somewhat Harder

Back Pain (lower / middle), Hip Pain, Back Pain (upper / neck)

Review left on Nov 2, 2024

Ratings from this sleeper:

Back Support

5/ 5

Pressure Relief

5/ 5

Sleep Quality

5/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iSeries 500 Cushion Firm

Owned for: 4 years

Condition: Slightly worn

35 - 44 years old

Male

Back Sleeper

150-200 lbs

Prefers Medium

Back Pain (lower / middle)

2 3 4 5

...

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Serta iSeries 500 Cushion Firm
Mattress Ratings & Reviews

Find the Right Bed

Compare Side-by-Side

Popular Mattress Comparisons

Discounts

GoodBed Cash Back

Expert Reviews

Popular Online Brands

Popular Store Brands

Write a Review

Mattress 101

The GoodBed Matching Quiz

Expert Reviews

Customer Reviews

Serta iSeries 500 Cushion Firm Mattress Ratings & Reviews

Serta iSeries 500 Cushion Firm
Mattress Ratings & Reviews