SeaMap is an Android application that displays nautical information on a map. It is a handy tool for sailors who want to navigate the waters with ease and safety. The app features beacons, buoys, SIGNI, IALA-A, and other navigation aids. It sources its information from OpenSeaMap, which is part of the OpenStreetMap project. Although it mainly covers parts of Europe, such as the Baltic Sea and the North Sea, it also includes areas in Australia.

The user interface is straightforward and easy to use. The map is clear and detailed, with the nautical information displayed in various colors and symbols. The app allows you to zoom in and out, and switch between different map views. It also has a search function that lets you look for specific locations or points of interest.

Overall, SeaMap is an excellent application for sailors who want to stay safe and informed while navigating the waters. Its comprehensive nautical information and user-friendly interface make it a must-have tool for any boater.