Be always flexible by including some land based activities in your schedule. Read some scuba diving travel reports online provided by scuba divers worldwide to learn more about best dive sites, vacation rentals or operators to use. - Always verify you reservations. Make a checklist of your vital records, scuba diving gears and other important things to take. For example, if you are certified as an open water diver, you are only allowed to dive in dive sites that have a minimum requirement of open water diver. However, if you are certified as an advanced open water diver, you can dive at dive sites that have a minimum certification level of open water and advanced open water. Diving becomes famous in the place not because of its being a favorite leisure activity for the divers but because people there want to take part in the preservation of aquatic resources. Hawaii is known for being one of the majestic focal points for scuba diving vacation. Majority of the vacationers prefer the scuba destinations in Hawaii because these are really well-preserved. The fins are strapped into your feet because of your powerful leg muscles that you can use for swimming and it provides far more effective propulsion than your arms can provide. Since scuba diving requires your hand to be freed from other activities, such as hand signals, checking gauges, and others, the fins allow your hands to be freed. They can also certify people who want to continue education from advanced open water diver certification to dive master certification. The instructor will now send a form to the diving agency, such as PADI and NAUI, which certifies that the diver passed all the requirements as a diver on a particular level. Today, there are quite a number of scuba diving agencies that certifies scuba divers, such as PADI, NAUI and SSI that teaches and trains people to go scuba diving. If you want to go scuba diving, you first need a certification in order to go scuba diving. Scuba diving resorts will never allow you to go diving without certification from any of the agencies mentioned.