Snorkeling is a fun oceanic expedition, but if you aren't a strong swimmer or have a fear of submerging yourself into the water fully, you should invest in a flotation device like the Snorkeling Kickboard. It is a great way to enjoy everything that the underwater world has to offer within your comfort zone.
The Snorkeling Kickboard is essentially a body board, but it includes a protruding clear compartment where you place your face. It lets you gaze down into the water without actually getting your head wet.
It's completely safe, as the hard plastic window is surrounded by a ventilated neoprene dry mask, which even blocks out the sun's rays. It also comes equipped with a cargo net so that you can store your camera and other belongings.