Hotel PrincipalvsCasa de Sierra Azul
Both hotels are endorsed by those who travel for a living. Overall, Casa de Sierra Azul scores marginally higher than Hotel Principal. Casa de Sierra Azul comes in at #33 in Oaxaca with endorsements from 2 reviews like Fodor's, Lonely Planet.
Hotel Principal
 DK Eyewitness
 Rough Guide
Cinco de Mayo 208, Oaxaca 68000
From $21/night
- Laundry Service
 - 24-hour front desk
 - Private balcony
 
 "The Principal retains the charm of a colonial-era, patio-centered home." 
 "Colonial-style choice with a central courtyard and friendly owner." 
Casa de Sierra Azul
 Lonely Planet
 Fodor's
Hidalgo 1002, Colonia Centro, Oaxaca 68000
From $90/night
- Pet Friendly
 - Free Internet
 - Room Service
 - Free Breakfast
 - Laundry Service
 - Concierge
 
 "The Sierra Azul is a 200-year-old house converted into a beautiful small hotel, centered on a broad courtyard with a fountain and stone pillars." Full review
 "The central courtyard in this colonial-era mansion is certainly memorable, with lush vines tumbling down over stone arches; rooms are equally interesting, with traditional style and modern amenities." Full review