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WaterWayne:NDH, to be clear: San Carlos and Seal Island are on the other side of the Sea of Cortez, and far north, of Los Cabos. You will not combine San Carlos and Los Cabos on the same trip. Nonetheless, Los Cabos (Baja California Sur) offers better diving overall, and you will see sea lions at Cabo San Lucas' Land's End (and smell them as your boat pulls close). Enjoy!