first the lures; sadly trebles are alwasy going to rust when used in salt and even in freash but if your not going to use then a hell of a lot a libral spray and wipe with wd40 will help frether rust but like the most of us you just need to get used to changeing trebles easy once you have split ring pliers and fork out the extra for good trebles
Now the reel if it is a spin reel (eggbeater) remove spool and take off side plate carefuly clean a bit and a LIGHT smear of reel grease over the moving parts put back together and wipe with damp soapy clother wipe clean and wipe over with wd40
hope that has helped you a bit!
cheers