"Aquatic Nocturnal World" The SPECIALTY NIGHT DIVER course is a minimum two (2) day class which is an important step in expanding the Diver knowledge and experience. Advanced Certification dives are credited to the NIGHT DIVER course. Specialty Certification dives are credited to the MASTER SCUBA DIVER course. Candidates may Elect to combine another Specialty Course or add additional Boat Trips to spread-out course curriculum. All prices shown include 7% Tax.