We may earn commissions on qualifying purchases.
Buysmart Logo
Buysmart Logo
Welcome to Buysmart, I'm your personal AI shopper. 🛍️
Instant product pairings
Real-time price tracking
Optimized promos and deals
Ad-free comparison analysis
Authentic customer reviews

best mattress under $300 for side sleepers
medium plush, and safe materials
Buysmart Logo
Olee Sleep Queen Mattress, 10 Inch Support Cloud Hybrid Mattress, Gel Infused Memory Foam, Pocket Spring for Support and Pressure Relief, CertiPUR-US Certified, Bed-in-a-Box, Soft, Queen Size
Olee Sleep Queen Mattress, 10 Inch Support Cloud Hybrid Mattress, Gel Infused Memory Foam, Pocket Spring for Support and Pressure Relief, CertiPUR-US Certified, Bed-in-a-Box, Soft, Queen Size
36k+

$267.04

6/8/10/12 inch Gel Memory Foam Mattress for Cool Sleep & Pressure Relief, Medium Firm Mattresses CertiPUR-US Certified/Bed-in-a-Box/Pressure Relieving (8 in, Queen)
6/8/10/12 inch Gel Memory Foam Mattress for Cool Sleep & Pressure Relief, Medium Firm Mattresses CertiPUR-US Certified/Bed-in-a-Box/Pressure Relieving (8 in, Queen)
21k+

$159.99

Vesgantti Tight Top Series - 10 Inch Innerspring Hybrid Twin Mattress/Bed in a Box, Medium Firm Plush Feel - Multi-Layer Memory Foam and Pocket Spring - CertiPUR-US Certified
Vesgantti Tight Top Series - 10 Inch Innerspring Hybrid Twin Mattress/Bed in a Box, Medium Firm Plush Feel - Multi-Layer Memory Foam and Pocket Spring - CertiPUR-US Certified
2k+

$219.99

12 inches or more and great reviews
Buysmart Logo
Naiveer Cool Gel Memory Foam Hybrid Mattress, 14 Inch Full Size Mattress in A Box with Pocket Springs for Cool Sleep & Pressure Relief, Medium Firm Feeling with CertiPUR-US Certified Foam
Naiveer Cool Gel Memory Foam Hybrid Mattress, 14 Inch Full Size Mattress in A Box with Pocket Springs for Cool Sleep & Pressure Relief, Medium Firm Feeling with CertiPUR-US Certified Foam
100+

$299.99

S SECRETLAND Short Queen Mattress, 12 inch Gel Memory Foam Mattress with CertiPUR-US Bed Mattress in a Box for Sleep Cooler & Pressure Relief, Medium Firm Queen Size Mattress 60" x 74"
S SECRETLAND Short Queen Mattress, 12 inch Gel Memory Foam Mattress with CertiPUR-US Bed Mattress in a Box for Sleep Cooler & Pressure Relief, Medium Firm Queen Size Mattress 60" x 74"
12k+

$259.99

Lucid 12" Plush Gel Memory Foam Mattress
Lucid 12" Plush Gel Memory Foam Mattress
40k+

$279.99

$1299.99

medium plush mattress with safe materials and at least 12-14 incches thick under $300
New Chat
67 products
buysmart.ai loading

👈 Type what you want, we will find best products together!