The Olympus 1030 is waterproof to 10' and the 1050 is waterproof to 33'. I used the 1050 in Hawaii also this summer while snorkling, also at the "aquarium" (which is now closed for at least 2 years) and diving. It did great. You can also get a housing for it that will allow you to use it diving past the 33' depth that the camera is rated for. It's good to 133'. Worked great.
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Keep Shootin', when there's lead in the air, there's hope!