How to Use a Waterproof Case for Underwater Photography with Galaxy S26
By Ghostek | Published: 2026-08-01
Category: How-to Guides
Learn how to use a waterproof case for stunning underwater photos with your Galaxy S26. Get tips on settings, shooting modes, and maintenance.
The ocean's vibrant coral reefs, a crystal-clear pool, or a rainy day adventure – your Galaxy S26 is a powerful camera, but it's not waterproof on its own. To capture stunning underwater shots, you need a reliable waterproof case. In this guide, we'll walk you through how to use a waterproof case effectively for underwater photography with your Galaxy S26, from setup to shooting techniques.
Whether you're a snorkeling enthusiast or just want to protect your phone during a beach day, understanding the right way to use a waterproof case ensures you get the best photos without damaging your device. Let's dive in.
Choosing the Right Waterproof Case for Your Galaxy S26
Before you start snapping photos underwater, you need a case that fits your Galaxy S26 perfectly and offers reliable protection. Look for a case with an IP68 rating or higher, which guarantees water resistance up to a certain depth and duration. Some cases are designed specifically for underwater use, with clear windows for the camera and tactile buttons for easy access.
For example, the Galaxy S26 Series Case Leather MagSafe — LeatherBack offers a sleek leather finish and MagSafe compatibility, but it's not waterproof. For underwater photography, you'll need a dedicated waterproof case that seals tightly. Always check the depth rating and ensure it suits your planned activities, whether snorkeling (up to 10 meters) or shallow diving (up to 30 meters).

- Check the IP rating: IP68 means dust-tight and continuous immersion in water beyond 1 meter.
- Look for a case with a clear back to use the camera without removing the phone.
- Consider cases with built-in screen protectors to avoid bubbles that affect touch sensitivity.
Preparing Your Phone and Case for Underwater Use
Proper preparation is key to avoiding leaks and ensuring your phone survives the adventure. Start by cleaning the rubber seals on the case and the edges of your phone. Any hair, sand, or dust can break the seal and cause water damage. Also, ensure the case is completely dry before closing it.
Before you go underwater, do a simple test: place a tissue inside the case, seal it, and submerge it in water for a few minutes. If the tissue remains dry, you're good to go. This quick check can save you from a costly mistake.
When you're ready to shoot, make sure your phone's screen is clean and free of any protective film that might interfere with touch. Some cases have a built-in screen protector, but if not, consider using a tempered glass protector like the Galaxy S26 Series Tempered Glass Screen Protectors (2-Pack) — Screen Protection, which is designed to work with most cases.

- Always test the case with a tissue before your actual underwater session.
- Keep the case's sealing area free of sand and hair.
- Use a screen protector that's compatible with your case to avoid touch issues.
Optimizing Galaxy S26 Camera Settings for Underwater Shots
Underwater photography presents unique challenges: low light, color loss, and movement. Your Galaxy S26's camera has features that can help. Start by switching to 'Pro' mode to manually adjust ISO, shutter speed, and white balance. Underwater, colors like red and orange are absorbed quickly, so adjust the white balance to 'Underwater' mode if available, or manually set it to a cooler temperature to compensate.
For sharp images, keep your shutter speed fast (1/250 or higher) to freeze motion. Increase ISO to around 400-800 to compensate for low light, but be aware of noise. Use the volume buttons as shutter releases – they're easier to press through the case. Also, consider using burst mode to capture multiple shots and pick the best one.
If your case has a physical shutter button, use it to avoid touching the screen, which might be unresponsive underwater due to water pressure. Alternatively, use the voice command feature: say 'Cheese' or 'Capture' to trigger the shutter without touching the phone.
- Use Pro mode to manually adjust settings for underwater conditions.
- Set white balance to 'Underwater' or manually adjust to cooler tones.
- Use volume buttons or voice commands to take photos without touching the screen.
Composition and Shooting Techniques for Stunning Underwater Photos
Once your settings are dialed in, focus on composition. Get close to your subject – water reduces visibility, so distance makes images hazy. Use the rule of thirds to place your subject off-center for a more dynamic shot. Also, shoot slightly upward to capture the water surface and light rays, which adds depth.
Stabilize yourself: hold your breath and steady your arms, or use a nearby rock or coral as a support. If you're snorkeling, use a float to keep yourself stable. Take multiple shots of the same subject to increase your chances of getting a sharp, well-exposed image.
Don't forget to capture videos too. The Galaxy S26's 4K video capability is perfect for underwater videography. Just ensure you have enough storage and battery life – underwater sessions can drain battery faster due to constant screen-on time.
- Get close to your subject to reduce water haze.
- Use the rule of thirds and shoot upward for more dramatic shots.
- Take multiple shots and use burst mode for action scenes.
After the Dive: Cleaning and Maintaining Your Waterproof Case
Proper maintenance after your underwater session is crucial to extend the life of your case. Rinse the case with fresh water immediately after use to remove salt, sand, or chlorine. Dry it thoroughly with a soft cloth, and leave it open to air dry completely before storing.
Check the seals for any debris or damage. If the O-rings appear worn, replace them according to the manufacturer's instructions. Avoid exposing the case to extreme temperatures, as this can degrade the rubber seals.
For your phone, wipe it down with a microfiber cloth to remove any moisture. If you used a screen protector, ensure it's dry and clean. A good case, like the iPhone 17 Pro / Max Aluminum MagSafe Cases — ATOMIC (though designed for iPhone), shows that investing in quality protection pays off in the long run. For your Galaxy S26, always choose a case from a reputable brand that offers reliable waterproofing.
- Rinse the case with fresh water after every underwater use.
- Dry the case completely before storing to prevent mold.
- Inspect and replace O-rings if they show signs of wear.
Underwater photography with your Galaxy S26 opens up a world of creative possibilities. By choosing the right waterproof case, preparing it properly, optimizing your camera settings, and mastering shooting techniques, you can capture breathtaking images that you'll treasure for years. Remember to maintain your case after each use to ensure it stays in top condition. Ready to dive in? Explore our range of protective cases and accessories to find the perfect companion for your underwater adventures.



