Do you want to write a review of Crofton Shotokan School of Karate in Portsmouth? Contribute to the directory of recommended martial arts clubs in Portsmouth by submitting a Crofton Shotokan School of Karate Portsmouth review. Is Crofton Shotokan School of Karate Portsmouth owned by you?, If so, why not claim it now! Business owners who claim a business can easily add new tags, photos and update their listing.