Marine accessories, as the name suggests, are those accessories, which are made for vessels moving in water. Marine accessories are used by various types of ships, boats, hovercrafts and also by the coast guards and the navy for surveillance purposes. The most important marine accessories fall under the group of navigational equipments. There are many modern navigational marine accessories, which are available in the market. They have different usage as well as price range. The GPS devices are very common and most advanced marine accessories today. They come in various shapes and sizes and have various optional features. The main function of this marine accessory is to provide the exact location of the vessel on which it is mounted. The GPS acts with the help of satellites which makes it a very useful marine accessory in the high seas. The GPS may be in the form of a laptop. It can even be in a handheld form. Autopilots are another group of marine accessories, which are both useful and popular with the sea-faring community. The autopilots are actually used to maintain the course heading and other important functions of the boat or the ship, without the constant human monitoring. These marine accessories are a necessity since they provide the captain and the sailors some time to relax and also help them to maintain the proper heading and course. VHF radio sets are also very useful and compulsory marine accessories. These marine accessories help the ships and the boats to maintain contact with each other and also with the port or the harbor authorities. These marine accessories are most useful when there is an emergency. The ship or boat in danger can easily call for help with the use of the VHF radio sets. Digital night vision tools are another important group of modern marine accessories. These marine accessories help in visualizing objects at night, especially in the high seas. In the high seas, there is practically no light, other than light from the moon and the vessel itself. So, night vision devices are extremely useful to view distant objects at night. The electronic binoculars are also very functional marine accessories. These are better than the normal binoculars. The digital binoculars have a display unit, which gives relevant information regarding the distance and the dimensions of the object being viewed. Thus, the modern marine accessories are indeed very helpful for the new breed of mariners, who are taking to the seas.