Welcome to El Duque Dive Charters located at the Hotel Marinaterra waterfront on the Embarcadero in the Marina San Carlos, San Carlos Bay, Sonora, Mexico, just 12 kilometers from the port of Guaymas on the Pacific side of the idyllic Sea of Cortez. Or just come down to the boat docked at the end of “A” dock on the southwest corner of Marina San Carlos close to the fuel dock.

Just a mere five hour drive due south of the Arizona-Mexico border at Nogales, the retirement community of San Carlos Bay boasts some world-class SCUBA diving, fishing, and watersports. We specialize in diving and fishing charters on the "El Duque", a Defever 52 live-aboard dive/fishing vessel,and several "pangas" for small diving and fishing charters. Dive equipment rentals, sales, kayak rentals, sunset cruises, dinner cruises, complete first class sportfishing, and more……. Contact us at 520-977-3598 in Tucson, 01152-622-22-60625 in San Carlos, or mike@divecortez.com by email.