Top 30 Galaxy S21 Ultra Cases on Amazon (Verified You can Buy)
LeYi for S21-Ultra Phone Case: Samsung Galaxy S21 Ultra Case [MagSafe Fit] Camera Bump Protection, Magnetic Thin Matte Translucent Samsung S 21 Ultra Case Android Mobile Unlocked S21Ultra 5G, Black
Ratings for LeYi (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Aomax Tech | 1,507 | ❌ | ❌ | ❌ |
Features
Rayboen for Samsung Galaxy S21 Ultra Case Magnetic, [Compatible with Magsafe] Protective Slim Fit Skin Feel Phone Cover for S21 Ultra 5G with Translucent Hard Back & Soft Edge, Matte Black
Ratings for Rayboen (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Rayboen Official | - | ❌ | ❌ | ❌ |
Features
OWKEY for Samsung Galaxy S21 Ultra Case 6.8", Built-in Invisible Kickstand Compatible with MagSafe, Magnetic S21 Ultra Phone Case Shockproof Translucent Matte Slim Bumper Cover, Black
Ratings for OWKEY (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Taiyanstore | - | ❌ | ❌ | ❌ |
Features
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Blue Suede Shoes - Case Only - Non-Retail Packaging
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| alwayz-on-sale | 385 | ❌ | ❌ | ❌ |
Features
Teayoha for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.8 inch (Black)
Ratings for Teayoha (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Teayoha | - | ❌ | ❌ | ❌ |
Features
LeYi for Samsung Galaxy S21-Ultra Case: Silde Camera Cover+Kickstand, Black
Ratings for LeYi (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Aomax Tech | 1,507 | ❌ | ❌ | ❌ |
Features
FUXICASE Case for Samsung Galaxy S21 Ultra, Silicone Shockproof Cover Women
Ratings for FUXICASE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| FUXICASE Direct | - | ❌ | ❌ | ❌ |
Features
OtterBox Symmetry Series Case for Samsung Galaxy S21 Ultra 5G (ONLY) Non-Retail Packaging - Stardust
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| prune | 201 | ❌ | ❌ | ❌ |
| Home and Above | 6,795 | ❌ | ❌ | ❌ |
Features
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Black - Rugged & Durable - with Port Protection - Holster Clip Included - Non-Retail Packaging
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| alwayz-on-sale | 385 | ❌ | ❌ | ❌ |
Features
MXX Case Compatible with Galaxy S21 Ultra Case, 3-Layer Super Full Heavy Duty Body Bumper Cover/Shock Protection/Dust Proof, Designed for Samsung Galaxy S21 Ultra 5G 6.8 Inch 2021 (Black)
Ratings for MXX (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| MXX Accessories Inc | - | ❌ | ❌ | ❌ |
Features
FNTCASE for Samsung Galaxy S21-Ultra Case: Military Grade Rugged Cell Phone Cover with Kickstand | Shockproof TPU Protection Bumper Matte Textured Design for Samsung S21 Ultra Cases 6.8 inches (Black)
Ratings for FNTCASE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| SOiOS-US | - | ❌ | ❌ | ❌ |
Features
for Samsung Galaxy S21 Ultra Case: Dual Layer Protective Heavy Duty Cell Phone Cover Shockproof Rugged with Screen Protector - Military Protection Bumper Tough - Samsung Galaxy S21 Ultra, Dark Green
Ratings for MDCN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Jinxian US | - | ❌ | ❌ | ❌ |
Features
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Blue Suede Shoes - Holster Clip Included - Non-Retail Packaging
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| alwayz-on-sale | 385 | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
HOOMIL Case for Samsung Galaxy S21 Ultra 6.8-Inch, Non-Yellowing, Drop Protection, Anti-Scratch Transparent Hard Back Phone Cover - Crystal Clear
Ratings for HOOMIL (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| HOOMIL Official Store | - | ❌ | ❌ | ❌ |
| HOOMIL Direct | - | ❌ | ❌ | ❌ |
Features
imluckies for Samsung Galaxy S21 Ultra Case with Camera Cover, Hard PC Back & Soft Bumper, Protective & Slim Fit, Camera Protection Case for Samsung Galaxy S21 Ultra 6.8"-Black
Ratings for imluckies (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| imluckies Direct | - | ✅ | ✅ | ✅ |
Features
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Lichen The Trek (Green) - Holster Clip Included - Non-Retail Packaging
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| alwayz-on-sale | 385 | ❌ | ❌ | ❌ |
Features
i-Blason Glitter Case for Samsung Galaxy S21 Ultra (6.8 Inch) 5G Mobile Phone Case Bumper Case Shiny Protective Cover [Cosmo] Without Screen Protector 2021 Edition (Marble)
- Unknown: Dutch
- Unknown: English
- Unknown: Flemish
Ratings for i-Blason (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Demi Cases | 5,766 | ❌ | ❌ | ❌ |
Features
Oterkin for Samsung Galaxy S21 Ultra Case,S21 Ultra Waterproof Case with Built-in Screen Protector Dustproof Shockproof 360 Full Body Underwater Case for Samsung S21 Ultra 5G 6.8inch (2021) Black
Ratings for Oterkin (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Oterkin-US | - | ✅ | ✅ | ✅ |
| POTALUX-US | - | ✅ | ✅ | ✅ |
Features
SunStory Phone Case for Samsung Galaxy S21 Ultra 5G Case with HD Screen Protector & Slide Camera Cover & Rotated Ring Kickstand, [Military-Grade] [2 in 1] Phone Case for Galaxy S21 Ultra 6.8'', Red
Ratings for SunStory (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| SunStory | - | ❌ | ❌ | ❌ |
Features
Spigen Rugged Armor Designed for Galaxy S21 Ultra Case (2021) - Matte Black
- Unknown: Italian
Ratings for Spigen (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Spigen Inc | 29 | ❌ | ❌ | ❌ |
Features
FUXICASE Case for Samsung Galaxy S21 Ultra, Silicone Shockproof Cover Women
Ratings for FUXICASE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| FUXICASE Direct | - | ❌ | ❌ | ❌ |
Features
Crave Dual Guard for Galaxy S21 Ultra Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Ultra, S21 Ultra 5G (6.8 inch) - Forest Green
Ratings for Crave (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Crave USA | 1,927 | ✅ | ✅ | ✅ |
Features
ONOLA for Samsung Galaxy S21 Ultra Case, 3-Layer Cover, PurpleSkyBlue
Ratings for ONOLA (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ONOLA | - | ❌ | ❌ | ❌ |
Features
Teayoha for Samsung Galaxy S21 Ultra Case, [Compatible with Magsafe] Matte Translucent Slim Shockproof Case Military Grade Protection Phone Cover 6.8-inch, Black
Ratings for Teayoha (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| TJ Official Store | - | ❌ | ❌ | ❌ |
Features
Poetic Guardian Case [6FT Mil-Grade Drop Tested] Designed for with Samsung Galaxy S21 Ultra 5G 6.8", Built-in Screen Protector Work with Fingerprint ID, Full Body Shockproof Case, Black/Clear
Ratings for Poetic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| PoeticDirect | 380 | ❌ | ❌ | ❌ |
OtterBox Commuter Series Case for Samsung Galaxy S21 Ultra 5G (Only) - Non-Retail Packaging - Black
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Home and Above | 6,795 | ❌ | ❌ | ❌ |
| prune | 201 | ❌ | ❌ | ❌ |
| alwayz-on-sale | 385 | ❌ | ❌ | ❌ |
Features
Crave Dual Guard for Samsung Galaxy S21 Ultra Case - Black | Designed for the Samsung Galaxy S21 Ultra (6.8 inch) with Wireless Charging Compatibility and a Textured Grip
Ratings for Crave (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Crave USA | 1,927 | ❌ | ❌ | ❌ |
Features
OtterBox Galaxy S21 Ultra 5G (ONLY - DOES NOT FIT Non-Plus or Plus Sizes) Commuter Series Case - DOES NOT FIT Non-Plus or Plus Sizes) - BLACK, Slim & Tough, Pocket-Friendly, with Port Protection
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Seller1ON1 | 72 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| alwayz-on-sale | 385 | ❌ | ❌ | ❌ |
| prune | 201 | ❌ | ❌ | ❌ |
Features
Miqala for Galaxy S21 Ultra 5G Case,Glow in The Dark Three Layer Heavy Duty Shockproof Full Body Protection Hard Plastic Bumper+Soft Silicone Case for Samsung Galaxy S21 Ultra 6.8 inch,Colorful Sky
Ratings for Miqala (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Lavin9999 | - | ❌ | ❌ | ❌ |
Features
OtterBox Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) Defender Series Case - Black, Rugged & Durable, with Port Protection, Includes Holster Clip Kickstand
Ratings for OtterBox (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| alwayz-on-sale | 385 | ❌ | ❌ | ❌ |
| Home and Above | 6,795 | ❌ | ❌ | ❌ |
Features
Top 10 Galaxy S21 Ultra Cases - Verified to Buy (October 2026)
- 1. LeYi for S21-Ultra Phone Case: Samsung Galaxy S21 Ultra Case...
- 2. Rayboen for Samsung Galaxy S21 Ultra Case Magnetic, [Compatible with...
- 3. OWKEY for Samsung Galaxy S21 Ultra Case 6.8", Built-in Invisible...
- 4. OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless...
- 5. Teayoha for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military...
- 6. LeYi for Samsung Galaxy S21-Ultra Case: Silde Camera Cover+Kickstand, Black
- 7. FUXICASE Case for Samsung Galaxy S21 Ultra, Silicone Shockproof Cover...
- 8. OtterBox Symmetry Series Case for Samsung Galaxy S21 Ultra 5G...
- 9. OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless...
- 10. MXX Case Compatible with Galaxy S21 Ultra Case, 3-Layer Super...
Top 10 Galaxy S21 Ultra Cases Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- LeYi
- Rayboen
- OWKEY
- OtterBox
- Teayoha
- FUXICASE
- MXX
- FNTCASE
- MDCN
- HOOMIL
Related Galaxy S21 Ultra Cases Guides
For more personalized Galaxy S21 Ultra Cases guides, Check those pages,
Top 10 Galaxy S21 Ultra Cases Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Spigen Inc : 599,627 Yearly Feedback , Avg. Ratings 4.8
- 2. Seller1ON1 : 353,019 Yearly Feedback , Avg. Ratings 4.8
- 3. prune : 174,226 Yearly Feedback , Avg. Ratings 4.9
- 4. PoeticDirect : 103,296 Yearly Feedback , Avg. Ratings 4.8
- 5. alwayz-on-sale : 102,235 Yearly Feedback , Avg. Ratings 4.8
- 6. Aomax Tech : 36,555 Yearly Feedback , Avg. Ratings 4.8
- 7. Crave USA : 30,117 Yearly Feedback , Avg. Ratings 4.9
- 8. Demi Cases : 11,547 Yearly Feedback , Avg. Ratings 4.9
- 9. Home and Above : 9,935 Yearly Feedback , Avg. Ratings 4.9
- 10. SOiOS-US : 6,687 Yearly Feedback , Avg. Ratings 4.9
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Spigen Inc | 599,627 | 4.8 |
| 🥈 | Seller1ON1 | 353,019 | 4.8 |
| 🥉 | prune | 174,226 | 4.9 |
| 4 | PoeticDirect | 103,296 | 4.8 |
| 5 | alwayz-on-sale | 102,235 | 4.8 |
| 6 | Aomax Tech | 36,555 | 4.8 |
| 7 | Crave USA | 30,117 | 4.9 |
| 8 | Demi Cases | 11,547 | 4.9 |
| 9 | Home and Above | 9,935 | 4.9 |
| 10 | SOiOS-US | 6,687 | 4.9 |
[Get] Galaxy S21 Ultra Cases Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime Galaxy S21 Ultra Cases Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Cases, Holsters & Clips supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Galaxy S21 Ultra Cases to buy for new October 2026?
CherryPicks’s Methodology for Evaluating Galaxy S21 Ultra Cases
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Cases, Holsters & Clips items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 306 of Galaxy S21 Ultra Cases reviews based on our selection criteria. It helped us shortlist the top qualified and rated Galaxy S21 Ultra Cases for Cases, Holsters & Clips, We found that most customers choose Galaxy S21 Ultra Cases with an average price of $18.18, and the top brands are Spigen, OtterBox, LeYi, FNTCASE, i-Blason, Crave, Poetic, SunStory, ONOLA, imluckies And Rayboen.
Then our expert-level editors reviewed all those quality items and selected the top 30 Galaxy S21 Ultra Cases for you, We have researched hundreds of sellers and picked the top sellers for Cases, Holsters & Clips, including Amazon Resale, Spigen Inc, Seller1ON1, prune, PoeticDirect, alwayz-on-sale, Aomax Tech, Crave USA, Demi Cases, Home and Above, SOiOS-US And SunStory. The LeYi for S21-Ultra Phone Case: Samsung Galaxy S... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 6,161 consumers with an average rating of 4.5.
We've helped a lot of satisfied users get the right Cell Phones & Accessories product based on their needs, and save lots of time for them to pick Galaxy S21 Ultra Cases to buy.
A computer and smartphone enthusiast who loves to write about what he thinks about gadgets he has used. He would be providing us with unbiased reviews of cell phones and accessories he has used personally to help us make better decisions.