I've been wanting to buy a metal detector that is for underwater use, sand, the park, etc. I also want to use it for the desert (the Mojave). I was thinking of getting the "Garret Sea hunter Mark II" it seams that it's for all terrain. So far that's the one i want to purchase, other than that it could be the "Whites Beach hunter" but i want to hear what someone with lots of experience has to say. This will be my first metal detector so i don't want to buy a crappy one but i don't want to buy a $1500 detector. What do you suggest? And thanks for replying. Good luck hunting