eXpansys offers the unlocked Samsung Galaxy Active S4 4G Smartphone
in Urban Grey for $689
for shipping. That's the best price we could find for this phone unlocked. In addition to being able to survive three feet of water for up to 30 minutes, it features a 5" 1920x1080 Gorilla Glass touchscreen, Snapdragon 1.9GHz quad-core processor, 2GB RAM, 16GB memory, 8-megapixel rear camera (which is designed to take underwater pictures when set to "Aqua Mode"), 2-megapixel front camera, 1080p video capture, GPS, Bluetooth 4.0, 802.11n wireless, and Google Android 4.2 OS (Jelly Bean).