Iglesias is a marine dive site located at Isla del Caño, Costa Rica, featuring a combination of reef, pinnacle, and cave topography. The site rises from a sandy bottom to a depth of approximately 24 metres, with an average depth of 18 metres. Divers access the site by boat, which is required due to its location 1000 metres from shore. Conditions include moderate currents and visibility ranging from 4 to 20 metres. Water temperatures remain between 26 and 28 degrees Celsius throughout the year. This site is suited for intermediate divers, with typical dives lasting 45 minutes. Hazards at this location include sharp coral.

La Viuda at Isla del Caño is a diverse site featuring reef, canyon, and cave topography. The site is accessible by boat and is suitable for beginners, with depths ranging from 5 to 18 metres and an average of 10 metres. The eastern side offers a gentle profile ideal for entry-level training, while the western side features a slope suitable for advanced courses. Divers experience mild currents and visibility between 10 and 25 metres. Water temperatures remain warm, typically between 28 and 30C, though cooler thermoclines may occur. Hazards include boat traffic, surge, and the presence of sharks. Night diving is permitted at this location.

Cativo is a wreck dive site featuring a sunken sailboat resting on a sandy, sloping bottom. Located at Isla del Caño, the site is suited for advanced divers and is frequently used for deep and technical dive training. Divers can expect depths ranging from 15 to 27 metres, with an average depth of 20 metres. Access is by boat only. Conditions at the site include strong currents and visibility reaching up to 20 metres. Water temperatures remain between 26C and 29C throughout the year. Due to the depth and current, divers should be aware of potential hazards including entanglement and low visibility.