About this spot
Maria's Heart sits near Kotok Kecil Island in Jakarta Province's Thousand Islands Regency, an accessible dive destination for Indonesia-based divers. The site attracts visitors year-round, making it flexible for trip planning. Eleven documented species observations confirm healthy marine diversity, though current coral bleaching trends warrant monitoring. The reef supports varied marine life typical of Indonesia's island systems. Community-submitted videos offer real-world insight into conditions and what to expect underwater. Access is straightforward from Jakarta's port infrastructure, reducing logistics for regional travelers. While detailed depth and visibility data aren't standardized for this site, the species count and video documentation suggest established conditions familiar to local operators. Divers should check conditions with local guides before entry, as tropical sites experience seasonal variation in surge and visibility. Maria's Heart works well for divers seeking uncrowded reef exploration in the Thousand Islands without requiring liveaboard trips. The year-round availability makes it a reliable option for Jakarta-based diving.
📖 Guide: Diving in Indonesia: 323 Sites, Mantas to Micro-critters
Best months
Dive types
Trip essentials
Everything you need before you pack — checklist, sun, logistics.
Trip checklist
- 🛂 Visa-free or visa-on-arrival
- 📜 C-card + dive insurance (DAN)
- 📔 Dive logbook
- 🧴 Reef-safe sunscreen SPF 50+
- 🔌 Plug type C/F · 230V adapter
- 💊 Seasickness meds + ear drops
- 📱 Offline maps + emergency contact
Quick facts
- 🌓 Moon First quarter · 47%
- GPS
› Sustainability disclosures
From your departure country
- Visa: Visa on arrival · 30 days max
- Flight: 12h · direct
- Jet-lag: 12h east · 8 days recovery
FAQ
›Can I dive Maria's Heart year-round?
Yes, Maria's Heart is diveable throughout the year. Like all Thousand Islands sites, seasonal monsoons may affect surge and visibility, so check local conditions before booking.
›What marine life is at Maria's Heart?
Eleven species observations are documented at the site, confirming diverse reef inhabitants typical of Indonesia's island systems. Community videos show the range of marine life encountered.
›Is Maria's Heart protected or regulated?
Maria's Heart is not within a designated marine protected area, but monitor coral bleaching advisories before diving. Local operators can advise on current reef health.
›How do I get to Maria's Heart?
The site is located near Kotok Kecil Island in the Thousand Islands, accessible from Jakarta. Arrange access through local dive operators familiar with Thousand Islands logistics.