La Portada is a reef dive situated beneath the natural arch near Antofagasta. The site reaches depths between 15 and 25 metres, with an average depth of 20 metres. Divers must access the site by boat, as entry conditions are subject to swell and surge. Visibility is limited, typically ranging from 5 to 10 metres. The environment features moderate to strong currents, requiring advanced buoyancy control and current-reading skills. Water temperatures remain between 14 and 16 degrees Celsius, necessitating appropriate thermal protection. Divers should exercise caution regarding potential entanglement risks within the site structures and remain aware of boat traffic in the area.

Acapulco Beach in Antofagasta offers a shore-entry reef dive suitable for beginner divers. The reef terrain extends from 10 to 24 metres, allowing for flexible depth profiles. Divers can expect visibility between 5 and 10 metres with minimal current. Water temperatures are cool, ranging from 14 to 17 degrees Celsius, making a 5mm wetsuit or thicker advisable. When entering from the shore, shuffle your feet to avoid sea urchins, and remain cautious of these creatures near the reef and cavern entrance. Facilities are not confirmed at this location, so divers should arrive self-sufficient with all necessary equipment and support.

Colin's Double Strike in Antofagasta offers a diverse underwater landscape featuring a reef, kelp forest, and wall. Divers can explore depths ranging from 15 to 25 metres, with an average depth of 20 metres. Visibility at the site varies between 10 and 30 metres, while water temperatures fluctuate between 14 and 17 degrees Celsius. The site is accessible via both shore and boat entries. While currents are generally mild, divers should be aware of surf and surge at the entry point. Parking is available on-site, facilitating straightforward shore access. Divers should manage decompression risks and remain alert for boat traffic near the surface.

El Acuario de Santa Maria is a reef site located 7000 metres off the coast of Antofagasta, Chile. The site features a reef structure that descends from 20 to 40 metres, requiring boat access. Divers should be prepared for water temperatures between 14 and 16 degrees Celsius, making a minimum 5mm wetsuit with a hood and gloves necessary. Visibility typically ranges from 10 to 30 metres. While there is no significant current, surge can be present at shallower depths. The site is suitable for intermediate divers and supports night diving. Local facilities provide air fills and equipment rental.

The Moai Trail in Antofagasta, Chile, offers a diverse underwater landscape featuring a wall, reef, caves, and kelp forest. Accessible via a shore entry, the site reaches depths between 20 and 27 metres, with an average of 21 metres. Visibility ranges from 10 to 30 metres. While currents are generally mild, divers should be prepared for surge and swell, particularly during entry. The site is suitable for beginners and supports night diving. Water temperatures fluctuate between 14 and 17 degrees Celsius throughout the year. Divers should remain self-sufficient, as facilities are unconfirmed, and be aware of constant boat traffic in the area.

Anemone Wall in Antofagasta is a shore-entry wall and reef dive reaching depths of 25 to 30 metres. The site offers consistent visibility of 30 metres, allowing divers to trace the structure of the wall during their descent. Divers should expect moderate currents, which provide a drift-diving experience, and water temperatures ranging from 14 to 16 degrees Celsius. Due to the depth, potential surge at the entry point, and cooler water, this site is suited for intermediate divers with strong buoyancy control. Thermal protection is essential for the conditions. Guided tours are available to assist with navigating the wall and managing the current.

The Sunken Reef is an advanced dive site located 1000 metres off the coast of Antofagasta, Chile. The reef structure lies at depths between 25 and 39 metres, with an average depth of 32 metres. Divers experience mild currents, though surge and swell are consistent hazards. Visibility ranges from 10 to 25 metres. Water temperatures are cool, fluctuating between 14 and 16 degrees Celsius throughout the year. Access is possible via boat or shore, though the latter requires navigating a surf and shore-break. The site supports night diving, and local facilities include a dive shop and air fills.

Caudrin of Death in Antofagasta features a combined reef and cave system ranging from 8 to 35 metres in depth. This site is suitable for intermediate divers who can manage moderate currents and surge. Visibility is consistently 30 metres, allowing for clear navigation of the reef and cave structures. Water temperatures remain between 14 and 16 degrees Celsius, necessitating appropriate thermal protection. Entry is via the shore, though local conditions regarding swell and current should be verified before diving. Divers must remain aware of the overhead environment within the cave and potential entanglement risks near the wreck. Proper planning for bottom time is essential due to the depth and moving water.