What's the best digital camera with at least 7 mp, 3 in lcd, and something durable for beach, fishing,etc. ?

and no more than $400

http://www.dpreview.com/reviews/specs/So...
this one is more than 400 but worth it,take a look:
http://www.dpreview.com/reviews/specs/So...

About $320 on eBay.

OLYMPUS Mju 725SW Stylus 725 SW 7MP Digital Camera

Those of you with an adventurous (or just clumsy) side will be pleased to hear that Olympus has updated the shockproof and waterproof Mju 720 SW. The new Mju 725 SW is now waterproof to 5m, can survive being dropped 1.5m, and features the same 7.1MP resolution and 3x optical zoom as its predecessor.

Both the <A HREF="http://www.popphoto.com/camera_rev... W30</A> and the <A HREF="http://www.popphoto.com/camera_rev... Stylus 770SW</A> are 7 mp, but only 2.5-inch LCD. Both are waterproof even!