The iPhone Scuba Case by TAT7 will let you connect to friends and family while swimming in the deep sea. It's a great gadget to have if you're really paranoid about being lost at sea; the iPhone Scuba Case will let you have your phone by your side no matter what you do. It's also compatible for other wet outdoor activities such as skiing or running in the rain.
This robust case is made with polycarbonate and stainless steel; it's waterproof and allows you to take photos and capture videos underwater, where it's able to go as deep as 100 feet. The iPhone Scuba Case is highly durable and provides ultimate protection in all environments. It's a bit pricey at $85, but will allow you to capture moments in time where a regular camera cannot.