Marinduque sits in the Sibuyan Sea and offers shallow reef diving suitable for beginners and intermediate divers. The three sites in our database are all reef formations, reaching a maximum of fifteen metres, and include the rock arch at Ungab on Mongpong Island, the shallow sandbar at Palad, and the coral gardens off Maniwaya Island. Water temperatures are warm throughout the year, peaking in the warmer months and dipping only slightly toward the high twenties in cooler months. Recorded species include whitetip reef shark, bluespotted fantail ray, napoleon wrasse, robust ghost pipefish, and various frogfish.



Monthly water temperature across Marinduque's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Temperatures stay warm year-round, rising to the low thirties in the middle months and settling around the upper twenties from November through March. Conditions across the three sites are generally calm with mild currents, making them accessible for less experienced divers.
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Water temperature around Marinduque ranges from about 27°C in January to 31°C in June, based on satellite sea-temperature data for its dive sites.
With water around 27–31°C, a rash guard or 3mm shorty works in Marinduque year-round.
Fin maps 3 sites in Marinduque (3 snorkelling spots).
3 more sites to explore