When obtaining the Sport Boat License for coastal waters, the subject of navigation poses the greatest challenge. The same applies to the Sport Coastal Ship License. Successful textbook author and sailing school owner Rolf Dreyer prepares the reader with educational exercises and tasks for these demanding exams. Following a brief introduction to the subject, there is a larger number of practice tasks for the Sport Boat License for coastal waters and the Sport Coastal Ship License. The following topics are covered: working with nautical charts, bearing and course determination, position fixing, Chart 1 / INT 1, tidal science, as well as corrections of nautical charts and sea books. The book also includes all 15 original navigation tasks for the Sport Boat License for coastal waters. The corresponding solutions are presented to the reader in easily understandable steps, making them well-prepared for the exam. A practice chart is provided.