Hello !

>1. San Francisco Beach, 600 Km. t.z.u. (?)
>Quintana Roo,  Mexico..........Pacific or Atlantic ?

Quintana Roo on the Atlantic side, Carrabean sea. San Francisco Beach
seems to be on Cozumel island, state of Quintana Roo, Mexico

>  2. Venado Island, Mazatlan, ............Atlantic or Pacific ?

Venado Island, is on the pacific coast of Costa Rica in front of
Puntarena but, Mazatlan is in Mexico (Pacific coast).

Sophie

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