If you are in need of internet in your home, you can visit TELMEX in Cabo San Lucas. Their basic package will cost you about 390 pesos/month and that includes a landline phone and internet service. Telmex also offers cable service through Dish Network.
Directions to TELMEX: Go to downtown Cabo. Take a right onto Miguel Hidalgo Street (The Cabo Church is on this corner). Go about 3/4 of a mile. TELMEX is located at the intersection of Miguel Hidalgo and 12 de Octobre Streets. Above is a photo of TELMEX. There are no signs.
TELMEX is open Monday thru Friday 8:00am to 6:00pm.