In 21st century, with the rapid increase of pollution and serious shortage of resources the marine environment has been destroyed due to many people visit to sea and go out to sea without permission, regardless of the legal constraints, fishing. Such type of practices leads the marine environment to get worst and worst, finally monitoring of the marine environment time to time is essential. This article deals the pollution in sea with monitoring and marine environment. The actual situation on the sea can be clearly understood on the basis application of today’s technology so that we can improve the speed of data processing, monitoring personnel and finally solve the problems faster.