Bell staff at hotel and porters at the airport:
US$1 per piece is widely accepted.
Restaurants:
A 10% tip over the total tab is expected, 15% if you got great service
Maid service at hotel:
US$2 or US$3 per night of stay is sufficient.
Guides and Motorcoach drivers
If tips are not included, we recommend US$2 for guide and $1 for driver per day of service | 
