Doyle Guides is a free mobile application by Chris Doyle Publishing Limited, designed for iPhone users in the Travel & Navigation category. This app offers the most detailed sailing guides for the southern Caribbean, including nautical charts, regulations, yacht services, marinas, restaurants, and more. Users can access over 3000 points of interest, sorted by proximity, on an interactive satellite map. The app allows users to contribute by leaving comments, suggesting corrections, and adding new points of interest. Additionally, subscriptions are available for guide book content, offering flexibility for both short and long-term users.

Doyle Guides provides a valuable resource for sailors and travelers exploring the southern Caribbean, offering a wealth of information in a user-friendly interface. With its extensive database and interactive features, this app is a must-have for those navigating the waters of the region.