Oceanus
- Offers boat tours with whales in the Sea of Cortez.
- http://www.oceanus.uk.com/

Puerto Vallarta Whale Watching
- Privately funded, ecological group that promotes education and responsible whale watching activities in and around Puerto Vallarta and Banderas Bay. Includes rules and regulations, approved vessel listings, and recommended operators.
- http://www.puertovallartawhalewatching.org/

Wildlife Connection
- Research project offering opportunities for 5 day camps to study and participate in a whale and dolphin photo-identification catalog in Puerto Vallarta, Mexico.
- http://www.wildlifeconnection.com/

Discover Pacific Tours
- Wildlife tours in Puerto Vallarta, Mexico: Humpback whales, bottlenose dolphins.
- http://www.discoverpacifictours.com/

Gray Whale Watching In Baja
- Whale watching and how to see gray whales in Baja California.
- http://www.greywhale.com/whale_watching_in_baja.htm

Mar Y Aventuras - Mexico
- Offers whale watching expeditions from La Paz and Loreto, Baja, Mexico focusing on natural and cultural history and wildlife encounters, operated with the utmost respect for the local culture, flora and fauna.
- http://www.kayakbaja.com/

Baja Whales
- Visitors guide to San Ignacio Lagoon in Baja California, Mexico: the only place on earth to get close enough to touch these animals in their own environment.
- http://www.netconnection.com/bajawhales.html