Block 1 is a deep reef site located off Balabac-Bugsuk in the Philippines. The reef structure extends from 6 to 50 metres, requiring advanced buoyancy control and situational awareness. Divers must be prepared for strong currents that can shift quickly, and visibility is limited to approximately 5 metres. Access is by boat only, and divers should be self-sufficient as local facilities are unverified. Hazards include sharp coral and rocks, necessitating careful movement during entry and exit. Always confirm current timing with the boat crew before descending to ensure a safer dive.

Virgin Island is a reef site in the Philippines accessible only by boat. The topography features a reef slope descending from 8 metres to 50 metres. Conditions are characterised by strong currents and limited visibility of approximately 5 metres, requiring divers to stay close to their guide and maintain buoyancy. While the shallower sections are suitable for beginners, the deeper areas are intended for experienced divers. Water temperatures remain consistent between 27 and 30 degrees Celsius throughout the year. As there are no confirmed facilities at this location, all necessary equipment must be brought on the boat. Always confirm sea and current conditions with your boat operator before entering the water.

Bahura is a shallow reef site in the Philippines, offering depths between 3 and 8 metres. This location is suitable for beginner divers, though boat access is required to reach the reef. Visibility typically ranges from 10 to 30 metres, and water temperatures remain warm between 28 and 30 degrees Celsius. While currents are generally mild, they can strengthen unexpectedly. Divers should verify current conditions with the boat captain before entering the water and remain within the designated depth range. The reef environment supports a variety of reef fish and invertebrates typical of the region.

Patunggong Island offers a accessible reef environment suitable for beginners, with depths ranging from 8 to 18 metres and an average depth of 12 metres. The site is reached via a shore entry and features mild currents, making it a comfortable location for divers and snorkellers alike. Visibility typically fluctuates between 10 and 20 metres. Facilities available at the site include changing rooms, showers, and toilets. Divers should be aware of the presence of sharks and sharp coral in the area. The water temperature remains consistent throughout the year, generally ranging between 28 and 30 degrees Celsius.

Patawan Island, also known as Dolphin Island, is a small islet defined by its distinctive dolphin-like shape and pinkish-white sand beach. The site features turquoise waters and a reef that is accessible for snorkelling. Conditions are generally warm, with water temperatures ranging between 28C and 31C throughout the year. Access to this site requires a boat. It is suitable for beginners, offering a straightforward experience for those looking to explore the reef environment in the Philippines.

Candaraman Starfish Sandbar, also known as Starfish Island or BenLen Sandbar, is a shallow reef site located near Balabac in the Philippines. Accessible only by boat, this site is suitable for beginners and offers a snorkel rating of 4 out of 5. The area is characterised by its shallow topography, which allows for easy observation of the seafloor. Water temperatures remain warm throughout the year, ranging between 28C and 31C. Snorkellers should be aware of the presence of stonefish in the area. The site provides a straightforward experience for those looking to explore shallow reef environments.

Sicsican Island Reef in the Philippines features a diverse underwater landscape consisting of shallow reef flats and dramatic drop-offs. The site is suitable for beginners and offers both shore and boat access for snorkellers. Water temperatures at the site range from 28C to 31C throughout the year, with the warmest conditions occurring in May. The area is known for its extensive coral gardens surrounding the island shores. As a site with varied topography, it provides accessible conditions for those looking to explore reef environments.

Camiaran Island is a remote reef site in the Philippines known for its pink-tinted sand, which originates from crushed red organ pipe corals. The site features a large, healthy reef system suitable for intermediate divers and snorkellers. Depths typically range from 8 to 18 metres, with an average of 12 metres. Access is by boat only. Conditions vary, with visibility ranging from 10 to 30 metres and moderate currents. Water temperatures remain consistent between 28C and 30C throughout the year. Divers and snorkellers should be aware of the presence of crocodiles in the area.