I need a good but inexpensive GPS for plotting bouys and channel markers. Waterproof and with WAAS.

Is this Garmin® eTrex® Venture® HC Handheld GPS Unit
Garmin’s eTrex Venture HC handheld GPS unit is an essential piece of equipment for any outdoor adventure. Equipped with high-sensitivity, WASS-enabled receiver, the eTrex Venture HC locates your position quickly and precisely and maintains your location even under heavy canopies or deep canyons. Loaded with valuable features, the easy-to-use eTrex Venture HC is a dependable handheld GPS you can count on when you need it the most. Garmin’s eTrex Venture HC handheld GPS features: New high-sensitivity GPS receiver Waterproof WAAS enabled, 12 parallel channel GPS receiver 24 MB built-in memoryStores 500 waypoints; 50 routesHunt/Fish calendar Sun and moon informationWeight: 5.5oz176 x 220 pixel, 256-color transreflective TFT display 2.2'' W x 4.2'' H x 1.2'' D Runs 14 hours on 2 AA batteries (not included) Protective storage cases for this Garmin eTrex Venture HC GPS Unit are sold separately and can be found through keyword search by typing in the keywords ''Nite Ize Backbone Cases''

I hope it does!! Intend buying one to use overseas for Ocean Fishing

Can it backtrack to the starting point while on the water ?

Will this product work for marking where traps are set? Is there a better product out there for this?

Can you Preload paciffic place you want to go?