| Gulf of Mannar | Vaan Island | Coral reef restoration using artificial reefs | Nature-Based Solutions |
| Gulf of Mannar | Kariyachalli Island | Coastal erosion and reef restoration project | Blue Economy |
| Arabian Sea | Bitra Island | Defence acquisition and ecology debate | Maritime Security |
| Arabian Sea | Androth Island | INS Androth naval significance | Naval Infrastructure |
| Arabian Sea | St. Mary’s Islands | UNESCO tentative list proposal | Geological Heritage |
| Arabian Sea | Elephanta Island | Ancient stepped reservoir discovery | Maritime Trade |
| Andaman Sea | Barren Island | India’s only active volcano | Volcanism |
| Andaman Sea | Narcondam Island | UNESCO geo-heritage proposal | Biodiversity |
| Andaman Sea | Baratang Island | Active mud volcano studies | Geological Processes |
| Bay of Bengal | Great Nicobar Island | Mega infrastructure project | Indo-Pacific Strategy |
| Bay of Bengal | Shaheed Dweep | Natural rock bridge proposal | Coastal Geomorphology |
| Bay of Bengal | Andaman and Nicobar Islands | UNESCO geo-heritage initiative | Sustainable Tourism |
| South China Sea | Spratly Islands | Vietnam-China island building | Geopolitics |
| South China Sea | Dongsha Island | Typhoon Podul warning area | Disaster Management |
| Atlantic Ocean | La Palma | Cumbre Vieja volcanic eruption | Lava Delta Formation |
| Atlantic Ocean | Canary Islands | Mega-tsunami debate | Volcanic Hazards |
| Pacific Ocean | Home Reef | New volcanic island growth | Submarine Volcano |
| Pacific Ocean | Whakaari / White Island | Ash eruption disrupting flights | Phreatic Eruption |
| Pacific Ocean | Flores Island | Mount Lewotobi eruption | Pacific Ring of Fire |
| Pacific Ocean | Hawaii Island | Kīlauea eruption | Shield Volcano |
| Pacific Ocean | Easter Island | Moai statues threatened | Climate Change |
| Pacific Ocean | Fiji | India-Fiji cooperation | Indo-Pacific Diplomacy |
| Sea of Japan | Jeju Island | Compared with Baratang tourism model | Volcanic Tourism |