My phone is waterproof and has been dunked a few times in fresh and saltwater. S20 Samsung. All my pics posted here are from this phone. I have a basic case to protect against dropping. Then, for protecting against dropping into deep water or over the edge of something - I use a basic tether like this: https://www.amazon.com/gp/product/B08XZ8WW28/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1

I primarily use it on my kakak. I have it attached to a retractable cord attached to my seat and I keep it in the pocket under my seat. It can handle a dunk, but just don't want to lose it overboard when taking a pic.

I primarily use it on my kakak. I have it attached to a retractable cord attached to my seat and I keep it in the pocket under my seat. It can handle a dunk, but just don't want to lose it overboard when taking a pic.