When people imagine a national park, they usually think of sprawling forests, safari routes and multiple entry gates. India’s smallest national park is nothing like that. In fact, reaching it can be far more challenging than visiting some of the country’s largest protected areas.India’s smallest national park is South Button Island National Park, located in the Andaman and Nicobar Islands. Spread across roughly 5 square kilometres, the protected area is part of the larger marine ecosystem that includes North Button and Middle Button islands within the Rani Jhansi Marine National Park system. Despite its tiny size, getting there is not as simple as booking a ticket and showing up at a gate.The first challenge is geography. South Button Island is located off the Andaman Islands and lies around 24 kilometres southwest of Havelock Island (now officially Swaraj Dweep). Reaching the region itself requires travelling to the Andaman and Nicobar Islands, generally through flights arriving in Port Blair. From there, onward travel involves island connections and boat-based movement. Motorboat journeys are commonly used to access the area, and travel times can vary depending on sea conditions.Unlike mainland national parks that allow straightforward entry through roads and designated visitor zones, South Button is a marine national park where access is closely linked to weather and permissions. Sea conditions play a major role in determining whether travel is possible on a given day. Rough waters can affect boat operations and may lead to cancellations or restrictions. Access planning often depends on current marine conditions rather than fixed schedules.
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The island’s protected status is another reason visiting can be complicated. South Button is valued for its marine biodiversity rather than land-based wildlife experiences. The waters surrounding the island support coral reefs and diverse marine species. Its relatively small size and protected status are important factors in preserving this ecosystem.Perhaps that is what makes South Button Island National Park so unusual. India’s smallest national park is not difficult to visit because of its size. It is difficult because it exists in one of the country’s remote marine landscapes, where weather, conservation priorities and geography matter more than roads and entry gates.For travellers, reaching it can feel less like visiting a conventional national park and more like pursuing a carefully planned island expedition.How to reach South Button Island National Park
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●Reach Port Blair by air. It is the nearest airport-connected entry point to the Andaman Islands.●From Port Blair, travel to Swaraj Dweep (formerly Havelock Island) via ferry services.●South Button Island lies roughly 24 km southwest of Swaraj Dweep/Havelock, and access is generally by speedboat or motorboat arranged through authorised operators. Boat access depends heavily on sea conditions.●Best travel period is generally December–April, when seas are calmer and underwater visibility is better.Park fees / entry charges●Multiple travel websites mention a forest or gate pass of around INR 50 per person, with separate photography fees in some cases (INR 50).●Scuba diving, snorkeling and boat transfers are separate charges and are usually handled by licensed operators rather than being part of the national park entry itself.Visitors generally require forest permissions or access arranged through authorised operators. Publicly available information on fixed entry fees is inconsistent, so travellers should verify the latest charges with the Andaman administration or licensed operators before planning a visit.
