When you dream or have a vision about an island, this tells you about the feeling of ease and relaxation. Often this is something you have longed for and have finally found. Another explanation is that you experience loneliness, but you also feel limited and limited in the possibilities.
If you dream or have a vision of being stranded on an island, this tells you that you are caught in the rut and don't know exactly what you want in your life. On the other hand, you might be looking for stability. Maybe you are turning away from a certain situation instead of confronting it in your life.