used to do that before... layo ng anilao eh...

if you are planning to take diving seriously, then yes.. it is advisable to buy your own wet suit. but if you are just planning to just put it in a list of your hobbies, then no, i would not advise it..

second question, yes. sporty swimsuit lang talaga pwede... it can either be a two piece or a one piece suit...

good luck and enjoy the view from down there...