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Customer reviews for BeautySleep Coastline 12" Innerspring Mattress in a Box (Available in Firm & Plush Pillow-Top) for
BeautySleep Coastline 12" Innerspring Mattress in a Box (Available in Firm & Plush Pillow-Top)
5 out of 5 stars
stars
19 ratings19 reviews
  1. 5 stars100% (19)
  2. 4 stars0% (0)
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Showing 1-10 of 19 reviews
Feb 3, 2026
Alexanderbean123
5 out of 5 stars
5 out of 5 stars review

Great for body pains.

The mattress arrived in the afternoon in completely vacuum sealed packaging. We opened the seal and were sleeping on the mattress that same night. The firmness is perfect for my wife with chronic pain. It wasn't long before we knew we found a great mattress. We appreciate the ease of process and will be recommending this particular mattress in the future!

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Feb 6, 2026
Luke1010
5 out of 5 stars
5 out of 5 stars review

Comfortable, Supportive, Cozy, and Refreshing

Never realized the difference a great mattress can make. Sleeping much better now and wake up refreshed and ready for the day! The bed feels thoughtfully designed because it is strong and supportive yet comfy and cozy! I also really liked that the bed shipped in a box that was much easier to move around the house than a full mattress and just opened it up in the bedroom! Love it and will always choose Beauty Sleep!

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Jan 26, 2026
Duke32
5 out of 5 stars
5 out of 5 stars review

Great Product!

I recently got this mattress and it has exceeded my expectations. The quality is great! I am a bigger guy and provides plenty of support and I don't feel like I'm dipping all the way through the mattress. It's very comfortable on my back and hips. I don't sleep hot like I used to. Honestly, I am very impressed and would definitely recommend this mattress.

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Feb 10, 2026
Jack
5 out of 5 stars
5 out of 5 stars review

A Sleep Revolution in a Box

Receiving this mattress as part of a product trial was honestly a game-changer for my sleep. I was skeptical that a bed in a box could live up to the hype, but from the very first night, it felt like sleeping on a supportive cloud. It perfectly balances pressure relief on my shoulders with firm support for my lower back, and the temperature regulation is spot on—I haven't overheated once.

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Feb 2, 2026
counting-sheep-1995
5 out of 5 stars
5 out of 5 stars review

A Dream Come True!!

From the moment I laid down on this mattress, I knew something was different. The Coastline strikes that perfect balance between supportive and plush – it cradles your body without that quicksand feeling you get with some memory foam mattresses. I woke up that first morning without my usual lower back stiffness, and honestly thought it might be a fluke. After a month of sleeping on this mattress, this is my new normal! The edge support is surprisingly robust – I can sit on the edge to put on shoes without feeling like I'm going to roll off. After a month, there's zero sagging or indentation. This mattress feels like it's built to last. The BeautySleep Coastline delivered on every promise. Better sleep, less pain, and mornings where I actually feel rested. If you're on the fence about investing in a quality mattress, this is your sign. Your future well-rested self will thank you! Would I recommend it? Absolutely, without hesitation. Sweet dreams await!

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Feb 25, 2026
Ralph C
5 out of 5 stars
5 out of 5 stars review

I can finally sleep!!!

I can finally sleep!!! Best mattress I've owned ever. I have not had this good of sleep in years. I got the Plush mattress and it incrediably comfortable. Only complaint I have is that it is so comfortable that I don't want to get out of bed and now I'm going to have to find an excuse for my boss as to why I'm late for work.

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Feb 9, 2026
MKWK
5 out of 5 stars
5 out of 5 stars review

This is a fantastic mattress!

I have been sleeping on this mattress for a month. I love it! It is so comfortable and supportive. I have a lot of arthritis and I wake up everyday pain free!

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Jan 30, 2026
It fits!
5 out of 5 stars
5 out of 5 stars review

This is one of few mattress that will fit in my daughters safety bed. She struggles with sleep, and this mattress is more comfortable than the ones made for the bed. She is sleeping much better now!

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Feb 5, 2026
Anonymous
5 out of 5 stars
5 out of 5 stars review

Great Feel !

Recently was fully able to use the mattress on our new bed frame for our daughter. It has been AMAZING. Definitely an investment thats worth it and will be a return customer for sure !

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706
Feb 2, 2026
Rosiecheeks
5 out of 5 stars
5 out of 5 stars review

Easy setup and a good night's sleep

[This review was collected as part of a promotion.] Just got it in and it was super easy to set up! Super comfortable and not too firm, exactly what I needed to replace my old mattress!

Review from Beautyrest
Helpful?1JJA8SVYN0DB19926604706