It's my first time to AC, so I can only share what I've made notes of from searches on this board. These are the places I intend to shop for them at. Not sure about the Fuentes, but there are Cubans, so even if they don't have them, there should be little dissapointment.

The Sea Turtle and the Rum House. The Rum House has a walk in humidor. Both places are adjacent, on block south of Elvi's kitchen on pescador.

San Pedro Supermarket and Travelers Liquors in middle of town. Travelers is apparently a little pricier than the others, but has a really good selection.

Angelo