Natura Expeditions (Carretera Aeropuerto, Km 5.5, Zona Hotelera. 322/224-0410. www.mexonline.com/viva.htm) has nature-oriented excursions, including bass and deep-sea fishing, scuba diving, hiking, horseback riding, and biking.
Canadian expat Ray Calhoun and his wife Eva run Tours Soltero (Privada Las Cabañas 26, San Patricio Melaque. 315/355-6777. raystoursmelaque@yahoo.com). They rent mountain bikes, snorkeling equipment, and boogie boards ($10 per day), and lead active tours from their base in San Patricio Melaque to neighboring beaches and towns. Typical tours are snorkeling in Tenacatita with boogie boarding at Boca de Iguana, from 10 to 5 ($31), and a day trip to the state capital, Colima, which includes lunch and a stop at a typical hacienda cum museum ($62). Tours run any day, all year with a minimum of four customers.
With some 15 years' experience, dozens of tours, and a staff of some 350, the well-respected Vallarta Adventures (Paseo de las Palmas 39-A, Nuevo Vallarta. 322/297-1212; 888/303-2653 in U.S. and Canada. www.vallarta-adventures.com) is the obvious choice for high-end hotel concierges and cruise-ship activity directors.