Las Pirámides del Ka
Here is the place that gives San Marcos its New Age-y reputation. The tranquillity of the lake provides the perfect setting for this yoga retreat, which offers day-, week-, and month-long courses. Pyramid-shaped cabins concentrate energies for spiritualists seeking that elusive transcendence. The reasonable price includes accommodations, classes, and use of the sauna and other facilities. You stay here, you're expected to participate. (Guests staying at other lodgings are welcome to enroll in courses, too.) As they are fond of saying here: This isn't a hotel.