In town, you can find many local dive shops and tours, along with PADI certification courses. (enchanting-costarica.com)
During the course, you'll make at least five pool dives and four dives at local dive sites under the supervision of your PADI Instructor. (idcthailand.net)
Also with less crowded places to diving with a good quality local dive center is the best choice for learning and practice scuba diving skills. (scubadivingkohchang.com)