Nusa Dua Marine Park Snorkel Walk
Snorkel the coral reefs around Nusa Dua — the protected bay and offshore reef system that once supported Balinese fishing communities, now a marine park where parrotfish, surgeonfish, and reef sharks can be encountered from the beach.
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Nusa Dua Reef Entry Point
The reef off Nusa Dua beach begins 100 metres from shore — the drop-off where the sandy lagoon gives way to coral gardens is accessible without a boat at high tide, and the visibility in the protected bay is typically 10-15 metres.
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Tanjung Benoa Glass Bottom Boat
Glass-bottom boats from Tanjung Benoa tour the reef between Nusa Dua and Serangan Island — the boats hover over the coral gardens while passengers view fish below without entering the water, providing the least adventurous but still effective marine experience.
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Menjangan Kecil Turtle Release
Menjangan Kecil (Small Deer Island) off Tanjung Benoa is a turtle conservation and snorkel site — the tour includes snorkelling on the coral reef and participation in a turtle hatchling release, combining marine education with a popular tourist experience.
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Benoa Bay Mangroves
Benoa Bay mangroves north of Nusa Dua are one of Bali's most significant coastal ecosystems — the kayaking and boat tours through the mangrove channels show a natural environment completely different from the beach resorts, with kingfishers, egrets, and mudskippers.
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Nusa Dua Reef Fish Survey
The reef fish of Nusa Dua include humphead parrotfish, moorish idols, and occasional reef whitetip sharks in the deeper sections — the reef's health has improved since the establishment of the marine protected area, though it remains stressed by warming water temperatures.
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Nusa Penida Dive Day Trip
Nusa Penida island visible from Nusa Dua is the region's premier dive destination — the swift currents around the island bring nutrient-rich upwellings that attract mola mola (oceanic sunfish) from July to October, making it one of Indonesia's most sought-after dive sites.