Sombrero is an exciting 18 hole regulation course located at the Sombrero Country Club facility in Marathon, FL. From the longest tees it presents 6,469 yards of golf for a par of 72. The course was designed by Mark Mahannah, ASGCA and opened in 1965. The course rating is 72.2 with a slope rating of 131. Sombrero is a private equity facility golf course with a 'Accompanied By Member' guest policy.