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Isla Ballena is a boat accessible salt water dive site, located in Mexico. The maximum depth is 101-110ft/31-34m. The average visibility is 61-70ft/19-21m.

There are three islands off the east coast of Isla Espiritu Santo, Isla Ballena, Isla Gallo and Isla Gallina. All three have dive sites but for most divers Isla Ballena is the most interesting. It is possible to dive anywhere along the cost of the island but the most interesting areas are the western and eastern points. The north-eastern tip of Isla Ballena is ringed with large boulders which slope to a depth of 18m/60ft and as you swim east there is a large sandy plateau, home to a large colony of Cortez garden eels (think garden eels on steroids) which can grow to over 2ft long. The sand is also a good place to spot rays which can be seen feeding here quite regularly. In among the boulders you will find lobsters, a few different species of moray eels and large schools of Cortez barracuda and grunts. The underwater topography is quite interesting with numerous shallow caverns to explore and a unique ambience as you swim among massive boulders under the shadow of the island. The Western tip makes for a good drift dive, there is a shallow sandy basin which leads to a steeper wall than those found on the east side.

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