Islas del Rosario offers a mix of reef, wall and wreck diving across boat-access sites ranging from shallow reef tops to serious drop-offs. The marine life leans heavily Caribbean: Blue Tang, Stoplight Parrotfish, Striped Parrotfish and Foureye Butterfly Fish are observed at virtually every site, while Great Barracuda is the signature encounter. Several sites suit beginners, and sites such as Caribaru serve both divers and snorkellers. Visibility can be excellent, and warm water holds steady throughout the year.
Monthly water temperature across Islas del Rosario's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water temperature stays warm across all months, with a slight dip early in the year before climbing through mid-year and beyond. The best-months data points toward drier, calmer conditions from late in the year through early in the following year, when visibility tends toward its upper range. Divers visiting during this window can expect steadier conditions on these boat-access sites.
3 operators
7 more sites to explore
Water temperature around Islas del Rosario ranges from about 28°C in February to 30°C in June, based on satellite sea-temperature data for its dive sites.
With water around 28–30°C, a rash guard or 3mm shorty works in Islas del Rosario year-round.
Fin maps 12 sites in Islas del Rosario (8 scuba diving sites and 8 snorkelling spots, with some suited to both).
Across Islas del Rosario's dive sites, January, February, March, April, November and December are most often reported as the best months to visit.
Reef fish dominate, with Blue Tang, Stoplight Parrotfish, Striped Parrotfish and Foureye Butterfly Fish recorded across virtually all sites. Great Barracuda is the signature species and is commonly observed. Divers also regularly encounter Round Stingray, Spanish Hogfish, Smooth Trunkfish, Caribbean Spiny Lobster and Groupers, along with smaller finds such as Banded Coral Shrimp and Christmas Tree Worm.
Most sites in Islas del Rosario are rated for beginners, including Punta Baru, Alex Place, Isla Gloria and Isla Pavitos. Caribaru steps up to intermediate level, given its deeper wall topography. The range means that visiting groups with mixed experience can usually find something appropriate for everyone.
All sites in Islas del Rosario require boat access. There are no shore-entry sites listed in the area. Two operators, Isla del Pirata and Agua Azul Beach Resort, serve the region and can organise boat trips to the sites.
The sites cover reef, wall and wreck topography. Several sites combine reef structure with a wall drop-off, as at Alex Place and Caribaru, while Punta Baru adds wreck diving to its reef. This variety means divers can move between site types within the same area rather than committing to a single underwater landscape.