College Choices and JOb FileLDS HELP PLLLLEEASE!?

ok well im going into 10th grade but ive been thinking about wat i wanna do in college and stuff. i like marine biology, foresic sciences and i also considers being an attorny prosocuter or something along those lines.....criminal justice may very well be the field i wnat to persue in but im not to sure about specific jobs and the salary that comes along with it.....i need ideas so i can look into colleges and stuff. i also want a college along an ocean coast and i play soccer and lacrosse and want those sports to be an option when i leave high school.any ideas?????PLEASE HElp ME!