I have a TomTom but wanted an actual map as a backup. This map is Large (fold-out), all roads are clearly indicated, and it gives me a great overall idea of how to get around the island.
Detailed map of the island of Saint Lucia (West Indies) published by Gizi Map. Detailed street plan of Castries, small general detailed map of the Caribbean. Road Map with terrain mapping and an index of cities.ISBN: 9789638746542