How To Choose A North County San Diego Studio - A helpful tip when choosing a North County San Diego studio is to find out how long they have been in business. When it comes to choosing a Pilates studio San Diego has a lot of options available, but it is wise to opt for a studio Pilates San Diego that has been around awhile and has experienced instructors to ensure service quality. By researching online, it is easy to find the best San Diego Pilates studio in the city.