Deep sea fishing is a form of angling that requires deep waters and usually takes place further away from land. The water depth should be at least 30 meters to be considered deep sea fishing territory. This fishing method is also often called offshore boat fishing and sport fishing.If you want to go deep sea fishing you should probaly take a charter boat which is a company that will take you and other people out on a boat and supply you with the equptiment needed to go deep sea fishing. You could go out on your own but if you do you should go with at least 1 other person, check the local laws for fishing, always put saftey first, and make sure you are strong enough to reel in the big fish. You will also need to choose the kind of fishing you will be useing trolling, chumming, cast a line up current.