From Tucson

1. Take the I-10 to I-19 South.  You will only be on I-19 for about a mile, then exit onto Ajo highway (also known as Hwy 86).
2. Take Hwy 86 West for about 2&1/2 hours until  you get to a speck of a town called Why.
3. At Why, take a left, heading South on Hwy.85 to the border (30 more miles)
4. Take Hwy 85 straight into Mexico.  Follow the signs that point to  Puerto Peñasco (Rocky Point).
5. You now have roughly 60 more miles until you get there.

From Phoenix

1. Take the I-10 West to the end of town (Buckeye Area)
2. Take Hwy 85 South to Gila Bend (same exit as I-8 to San Diego)
3. At the end of Gila Bend you will see a Mc Donald's, right before the Mc Donald's turn on to the continuation of Hwy 85 South.
4. Follow Hwy 85 straight into Mexico.  Follow the signs overhead that point to Puerto Peñasco (Rocky Point).
5. You now have roughly 60 more miles until you get there.