American Cetacean Society Baja Whale Adventures
- Tours to see whales and other wildlife. San Ignacio Lagoon, Islas San Benito. Elephant seals, and seabirds.
- http://www.acsonline.org/whalewatchtrips/

Sea Quest Kayak Expeditions
- Kayaking and camping trips along the beaches and desert islands of the southern Baja Peninsula and Sea of Cortez. Includes snorkeling, exploring, whales and dolphins.
- http://sea-quest-kayak.com/baja-sea-kayaking-mexico.htm

Baja Adventure
- Naturalist-led day trips and tours, primarily in the South Cape. Describes guide's background, lists sample itineraries, and provide links to more information about the region.
- http://www.bajaadventure.com/

Todos Santos Eco Adventures
- Offers day trips and longer nature and history vacations in the state. Provides customer testimonials and sample itineraries.
- http://www.tosea.net/

Baja Outdoor Activities
- Sea kayaking, snorkeling, camping, whale watching, mountain biking, fly fishing, adventure tours. Outfitters for guided expeditions and rentals.
- http://www.kayactivities.com/

Mountain Travel Sobek
- Sea kayaking in the protected waters around Espiritu Santo Island. Includes snorkeling and hiking excursions, family adventures.
- http://www.mtsobek.com/mts/ksc

Tour Baja
- Paddling, sea kayaking in the Sea of Cortez, pack trips in the mountains surrounding Loreto, mountain bike trips, sailing, day trips, guided natural history tours, diving.
- http://www.tourbaja.com/

Sea and Adventures
- Sea Kayaking and Whale Watching expeditions from La Paz and Loreto.
- http://www.kayakbaja.com/

Baja SeaFaris
- Sailing, scuba diving, kayaking, whale watching cruises.
- http://www.bajaseafaris.com/

Baja Expeditions
- Diving, sea kayaking, whale watching and natural history cruises.
- http://www.bajaex.com/