Depending upon the type of boat that you have, and the extra value that you have put on the boat, your security concerns can have a bunch of potential responses. For instance, if you own a yacht which you use to travel around the world, being able to defend yourself in the face of unscrupulous sailors may be relevant to you. For most people though, using their boat means that they will use it in and around the port or marina that they are situated in. In this instance, making sure that you have all of the appropriate locks and alarms is imperative to your boats security. Most of the time, thieves and vandals will have a great opportunity to target a boat at night; in this case your alarm will hopefully respond to the problem and alert the port security to the problem. In cases where the boat is stored outside of a marina, it is important that the trailer that it is under has a wheel lock, so as to stop anybody from absconding with the whole thing. Making sure that you have all of the necessary equipment to ensure your boats safety can help to save you money in the long run.