Diving atThe Coolidge Ltd (Vanuatu)
The SS President Coolidge, a sprawling former luxury liner turned troop transport, lies largely intact on a sloping sandy bottom off Espiritu Santo, Vanuatu. This monumental wreck offers divers a multi-level exploration, starting from its bow at around 21 m (69 ft) and descending to its stern between 60-70 m (197-230 ft). A typical dive might traverse the forward cargo holds or the iconic 'Lady' porcelain relief at around 30 m (100 ft), revealing layers of history and marine growth.
Evening condition tracking at The Coolidge Ltd features an air temperature of 28.1°C. We have recorded wave heights measuring 0.46m during this period. These figures outline the environmental parameters currently present.
Dive Site Coordinates
-15.5222, 167.2357
Dive Site Characteristics
Key Dive Site Facts
Dive Site Overview
More than a simple dive, encountering the SS President Coolidge means immersing oneself in a preserved piece of World War II history. This colossal wreck demands multiple excursions to truly grasp its immense scale and the myriad artifacts held within.
What started as a luxurious passenger liner, its hurried conversion to a troop carrier ended abruptly in 1942 when it struck mines, now resting on its port side. Divers can navigate through extensive cargo holds, revealing Jeeps, cannons, and military supplies remarkably intact.
Deeper excursions lead to areas like the engine room, found at around 45 m (148 ft), and the grand first-class swimming pool, located deeper at approximately 55 m (180 ft). Further still, one might discover the ship's barber shop, medical bays, or officers' quarters, each presenting a distinct glimpse into the lives onboard.
This isn't merely a wreck; it's a complex, multi-level underwater museum, requiring respect for its historical significance and the advanced diving skills necessary to safely navigate its intricate passages and varying depths.
Best Time to Dive
For an optimal dive experience on The Coolidge, conditions are generally favorable year-round, consistently showing good dive scores. The months from May through November typically see less rainfall, with averages dropping to 4-8 mm, which can contribute to better visibility. Air temperatures during these drier periods range from 23.8-25.6°C (75-78°F), providing comfortable surface intervals. Conversely, December through April experience higher rainfall, around 11-16 mm, though water temperatures remain warm, hovering between 26-27°C (79-81°F) as noted by various dive logs. Wave heights are generally manageable, averaging 0.6-1.0 m (2-3 ft), with slightly calmer seas from November to April.
Climate Historical Averages
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Divers often enter The Coolidge from the bow, beginning their descent into its immense structure. The wreck presents varied depths, with a common initial dive reaching around 30 m (100 ft). This entry level offers glimpses into its upper decks and cargo areas. As you move deeper into the wreck, water temperatures are consistently warm, reported at 26-27°C (79-81°F), allowing for comfortable diving in lighter exposure suits. Advanced Open Water certification is a prerequisite for exploring depths beyond 18 m (60 ft), particularly for dives targeting the 30 m (100 ft) mark. Deeper excursions, such as those to the engine room at 45 m (148 ft) or the stern between 60-70 m (197-230 ft), require technical diving expertise.
Dive Difficulty & Safety Guidelines
Diving the SS President Coolidge is a deep wreck experience requiring careful planning and adherence to safety protocols. Penetration dives, especially into cargo holds 1 and 2, demand appropriate training, such as wreck and technical diving certifications, due to the complexity and overhead environments. Divers should always be accompanied by experienced guides familiar with the wreck's layout and potential hazards. Maintaining proper buoyancy control is critical to prevent disturbing silt and preserving the delicate artifacts. Always monitor bottom time and gas consumption closely, particularly given the varying depths and extended exploration possibilities this site presents.
Recommended Equipment
No verified equipment items yet.
Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.
Recommended Dive Suit
Recent conditions suggest the water at The Coolidge Ltd remains near 30°C (86°F), offering typical conditions for the area. Surface air temperatures are resting at 28°C (83°F).
The forecast outlook suggests that temperatures will stay close to current levels.
Divers who prefer moderate insulation typically choose dive skin or rash guard in similar environments. A hood or vest is suggested for sensitive divers due to surface winds. Many experienced divers adjust their exposure protection depending on the type of dive planned.
Conditions last reviewed: 18:00 using the latest environmental data.
Dive Logistics & Preparation
Hyperbaric Chamber
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Entry Requirements
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Marine Life at The Coolidge Ltd
The Coolidge wreck has become an artificial reef, supporting a diverse array of marine life. Among its metal structures, divers frequently encounter large schools of fish. Moray Eels often hide within crevices and around compartments, while Garden Eels can sometimes be observed in the sandy areas surrounding the wreck. Starfish cling to the hull, and sea anemones occasionally punctuate the surfaces, adding splashes of color to the submerged history. Larger pelagics like Tuna sometimes pass by the deeper sections of the site.
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Frequently Asked Questions
What certification level is required for diving The Coolidge?
An Open Water certification allows for limited exploration of the shallower parts of the wreck. For dives beyond 18 m (60 ft) to the most accessible and iconic sections, an Advanced Open Water certification is necessary. Deeper penetration and visits to the stern require technical diving qualifications.
What is the typical water temperature?
The water temperature around The Coolidge is consistently warm, generally ranging between 26-27°C (79-81°F). This tropical warmth makes for comfortable diving, often requiring only a 3mm wetsuit or shorty.
What are the main features to see on the wreck?
Key features include the cargo holds with military equipment, the iconic 'The Lady' porcelain relief, the engine room, and the first-class swimming pool. Its sheer size means multiple dives are needed to explore a significant portion of the ship.
How many dives are recommended for The Coolidge?
Given its enormous size and the variety of sections, many divers opt for multiple dives, often three to five over several days, to fully appreciate different areas like the bow, cargo holds, and deeper stern sections.
Is night diving available on The Coolidge?
Yes, night dives are sometimes offered, particularly into the cargo holds. This experience can offer a unique perspective on the wreck and its nocturnal inhabitants.
Are currents an issue at this dive site?
Currents at The Coolidge are not consistently reported as strong, but local conditions can vary. Dive operators will assess and brief on any specific current concerns on the day of your dive.
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