A navigation compass is a crucial tool for sailors, boaters, and outdoor adventurers, helping to determine direction and maintain a steady course. Marine compasses are specifically designed to function accurately on water, compensating for the motion of the boat. The most common type is the magnetic compass, which aligns with the Earth's magnetic field to point north. These compasses are often mounted on a gimbal system to remain level despite waves and movement. A gyrocompass, used in larger vessels, relies on a spinning gyroscope to maintain a true north reading, unaffected by magnetic interference.

Modern marine compasses often feature illumination for nighttime use, built-in sighting mechanisms for precise bearings, and damping systems to reduce erratic needle movement in rough waters. Some advanced navigation systems integrate digital or electronic compasses with GPS for enhanced accuracy and route planning. Whether used as a primary navigation tool or a backup to electronic systems, a high-quality navigation compass ensures reliable direction-finding, improving safety and efficiency on the water.