One of the World's Great Natural Coastal Wonders: The Sandbar
Located off the northern coast of Diglipur in North Andaman, approximately three hundred kilometres north of Port Blair, Ross and Smith Islands represent one of the most breathtaking, celebrated, and geologically extraordinary coastal wonders in the Indian Ocean. While countless tropical destinations boast white sand beaches, Ross and Smith are distinguished by a miraculous natural phenomenon: a 500-metre-long glistening white sandbar that connects the two separate islands across open turquoise sea.
This dynamic sandbar (or tombolo) is sculpted by the complex convergence of opposing tidal currents and oceanic wave refraction around the two landmasses. During low tide, the receding waters reveal a broad, pristine pedestrian highway of powdery white silica sand stretching uninterrupted from Ross Island to Smith Island. Walking across this narrow ribbon of sand, with calm translucent turquoise lagoons lapping gently on either side, is an exhilarating, dreamlike tropical experience.
Ross and Smith Islands are reached via authorized motorized fiber speedboats departing Aerial Bay Jetty in Diglipur. Speedboat charters cost ₹3,000 to ₹4,000 per boat (carrying up to 6 passengers round-trip with a 3-hour layover). Forest Department entry permits must be secured at Aerial Bay forest counter (₹50 for Indian nationals, ₹500 for foreign citizens). Boats operate between 7:00 AM and 2:00 PM.
Twin Island Geography: Exploring Ross and Smith
Despite their close physical connection, the twin islands possess distinct geographical and ecological characters. Ross Island (not to be confused with the colonial Ross Island near Port Blair) is the smaller of the two, covered in thick tropical coastal scrub and home to a secluded wild beach on its outer eastern flank.
Smith Island, by contrast, is much larger and wilder, encompassing rugged forested hills, dense mangroves, and a traditional village settlement inhabited by local islanders and forest department staff. Smith Island features Forest Department eco-huts, shaded gazebos, and an elevated wooden watchtower that provides panoramic vistas looking back across the glistening sandbar and the turquoise waters of Aerial Bay.
Crystal Lagoon Swimming and Underwater Coral Gardens
The lagoons flanking the Ross and Smith sandbar provide some of the safest, most visually enchanting swimming and snorkeling environments in the Andaman archipelago. The water on the western side of the sandbar is remarkably calm and shallow, sheltered from oceanic swells, with water so transparent that shadows of passing clouds and swimming fish are cast sharply upon the white sand seabed.
Snorkelers exploring the rocky reefs bordering the northern headlands of Ross Island will discover thriving coral gardens. Vibrant colonies of branching staghorn corals, massive porites boulders, and green sea anemones provide habitat for an abundance of tropical marine life: yellow angelfish, clownfish, giant clams with iridescent blue mantles, and juvenile blacktip reef sharks gliding peacefully along the outer sandy channels.
The central 500-metre sandbar is exposed primarily during low and mid tides. During extreme high tide, water surges across the lower saddle of the bar, dividing the two islands. Visitors walking onto Smith Island must monitor water levels and adhere strictly to their boat captain's departure whistle. Overnight stays are completely forbidden.
The Scenic Speedboat Safari from Aerial Bay Jetty
The voyage to Ross and Smith Islands begins at Aerial Bay Jetty, located roughly eight kilometres northeast of Diglipur town. Travelers board powerful twin-engine fiberglass speedboats for a scenic twenty-five-minute journey across the open waters of the sound.
The cruise is an exhilarating ride as the boat cuts through vibrant blue swells, passing dramatic rocky islets, seabird roosts, and the imposing coastal mountain ridge of Saddle Peak rising to the south. As the boat approaches Ross and Smith, the water color shifts dramatically to startling electric turquoise, and the gleaming white sandbar emerges on the horizon like a mirage rising from the sea.
Logistics, Seasonal Timing, and Practical Explorer Guidelines
Planning a trip to Ross and Smith Islands requires early morning departure. Head to Aerial Bay Jetty by 7:30 AM to obtain Forest Department permits and secure an authorized boat charter before the daily quota is reached. Each boat charter provides approximately three hours on the islands, which is plenty of time to walk the sandbar, swim in the lagoons, and explore Smith Island's nature trails.
Travelers should pack their own food and drinking water in reusable containers, as there are no commercial shops or restaurants on the islands. Bring reef-safe mineral sunscreen, sunglasses, and a waterproof dry bag for electronics. Ross and Smith Islands are at their most spectacular from October through May, when cloudless skies and glassy calm seas provide optimal conditions for this bucket-list island adventure.
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