South America

Brazil

Águas Clara – The best diving around Fernando de Noronha

Galapagos

Scuba Iguana -  Since 1995 Scuba Iguana have offered the highest quality, safest, and most affordable scuba diving and Island tours in the Galapagos Chain.

Mexico

Club Cantamar – La Paz diving; hammerheads, californian sealions and much more
Dolphin Dive Baja – Loreto dive centre providing some great diving in the Sea of Cortez including chances to encounter humbolt squid.
Nautilus Explorer – Vancouver registered Luxury live-board which caters for the hard core and professional diver. No better way to explore the Sea of Cortez, Guadalupe and Socorro islands.