To reach Neil Island from Havelock Island, travelers can take a ferry, which is the primary mode of transportation between the two destinations. Ferries operate between 9:00 AM - 3:00 PM, offering convenient and efficient transport for tourists. The journey typically takes around 1.5 - 2.5 hours, providing travelers with a scenic ride across the Andaman Sea. Tickets for the ferry can be purchased at the ferry terminals on both Havelock and Neil Island, and it's advisable to check the ferry schedule in advance to plan your journey accordingly.