What type of buoy has uniquely colored two horizontal stripes?

The buoy characterized by uniquely colored two horizontal stripes is indeed the isolated jurisdictional danger mark. This specific type of buoy conveys important navigational information regarding areas that may present isolated dangers to navigation, such as rocks or wrecks, which are not immediately visible.

The two horizontal stripes serve as a distinctive feature that sets this buoy apart from others in the IALA Maritime Buoyage System, making it easily identifiable to mariners. The colors used for these stripes can vary, but they are typically chosen to enhance visibility and ensure that the buoy can be recognized from a distance. This design is crucial for alerting vessels to potential hazards in the surrounding water, allowing them to navigate safely.

Other buoy types, such as safe water marks, cardinal marks, and special marks, each serve their unique purposes and are designed differently, often using distinctive color schemes or patterns that do not involve two horizontal stripes. Understanding these characteristics can greatly assist mariners in correctly interpreting the type and function of navigational buoys they encounter.