Mr. Nice Guy – Costa Mesa Harbor Address 2845 Harbor Blvd, Costa Mesa, CA 92626 GPS 33.675000155836, -117.92017048508 Telephone (714) 439-1719 Web View Website LOCATION ON MAP Plan My Route Home » Recreational Pot Shops » California Pot Shops » Southern California Pot Shops » Los Angeles Pot Shops » Orange County Pot Shops » Mr. Nice Guy – Costa Mesa Harbor