Maps are arguably one of the most important features of any GPS unit. However, not all marine GPS navigator devices come with maps installed. Some require you… See more

Chart plotters and fish finders are great, but emergency tools are some of the most useful to have installed on your GPS marine navigation devices. Emergency calling and … See more

Do you need a battery-operated handheld device, or would you prefer a hard-wired, permanent interface? If you use multiple small-size vessels, it might be more economica… See more

If you opt for a handheld marine GPS navigator, then you should be mindful of the battery life. Some have standby times of over 20 hours, while others have quite limited 3-ho… See more

A marine GPS unit should be waterproof. That should go without saying. However, there are different kinds of “waterproof” definitions. Here’s the official scale of waterproofi… See more