There are lots of summer internship opportunities here in W. Michigan. Attending Calvin's annual CS & Engineering Career Fair will allow you to network with potential employers and possibly land one. Prof. Bailey, the CS department's Internship Coordinator can also offer good advice.
There are also amazing opportunities at many tech companies in Silicon Valley.
If you'd like to pursue an internship with one of these companies, start building your resume now by taking CS courses and pursuing one or more innovative personal projects that will make you an attractive prospect for these companies.