Yes, they all have to be waterproof because marines are occupying the waters for a very long time and if their radio would fall into the water, they could easily fish it out and it would still be usable.
All of the Uniden Marine Radios are at least waterproof. Some models are even submersible. You can compare the different options at: http://www.uniden.com/marine-electronics/icat/marine_b2c/
There are a few types of waterproof marine radios. There are radios which are used to communicate in case of emergency or need and there are radios which are used to play local radio stations for listening pleasure. They come in the waterproof variety to ensure proper functionality when out on the water. They are designed to function in wet conditions.
The prices of marine radios can vary depending on which one you choose and which features you require. Lower end radios start at around 70 dollars and go up from there.
Uniden marine radios are waterproof so they stay completely dry if submerged, and they float! Most other marine radios are water resistant so there is no guarantee of its performance if wet. Uniden marine radios cost much less than comparable marine radios with the same features, making Uniden a good buy.
For the most part, marine electronics are waterproof. You can find great deals on waterproof marine items by visiting http://www.bizrate.com/marine-electronics/waterproof-radio/ or even amazon.com.
The West Marine website and Overton's both have a variety of marine radios listed, some on sale. In addition, stores like Cabela's offer marine radios for offline shopping.
Since marine electronics are designed to use in a marine environment, a majority of these devices should be waterproof, or else salt water would easily destroy electronic devices.
A marine radio is a radio that is waterproof or designed to be played in watercraft. You can find different kinds of Sony marine radios at their website, http://store.sony.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&partNumber=CDXM30.
You can find marine radios for sale in Dallas at Dallas Boats. They have a huge selection.
"Marine VHF radios are installed on all large ships. They are also installed on most smaller ship craft as well. They can be used for a number or reason, most importantly to call for rescue help."
Marine band radios are two-way radios which are used either in a military setting or by officers for easy communication. The purpose of these radios is to get a greater range of communcation.
Handheld marine radios are designed to be used over long distances at sea and are usually more sturdy thatn other handheld radios. Www.westmarine.com/MarineElectronics has a large variety .