It has the largest port facility between Los Angeles and the Panama Canal. It is a great party destination for everyone. Mazatlan easily has one of the best nightlife's going. Mazatlan has many events and festivities during the year. Some of the more popular clubs are Bora Bora, Joe's Oyster Bar, and the original Senior Frogs.
College students can let loose.
Be sure to check and book a fishing charter through your hotel as some of the charter salesman are crooks. They will show you pictures of their boats and fish they've caught, but always be wary. Definitely one of the top 3 party capitals of North America.