Cabo San Lucas is recognized as the big game fishing capital.  
Many visitors take schedule their entire vacation around a fishing charter

Cabo is the world leader in big game fishing.  Numerous fishing charters are available, to suit various tastes, and from these we work with a few favorites.  From 60′ Bertram (possibly the best fishing boat in the business), to a smaller 35′ Rivera, we can’t guarantee you will catch a striped marlin, but using the right boat, with the right captain and crew will greatly increase your odds.  
For reference, up to 10 passengers on the 60′ Bertram would run $2050 for 4 hours.  The Bertram price includes fishing licenses and bait, breakfast, beer, tequila, premium alcohol, soda, bottled water, complementary photography and fish cleaning.