Please explore the resources linked below. Concentrate on doing SOMETHING every single day to practice Spanish, even if it's only for 15 minutes at a time.
Aside from the links below, check out your smartphone's app store and see what they have to offer. From Duolingo and Lingo Arcade to Cat Spanish, there are a number of apps out there that let you play with Spanish vocabulary and conversation. Many start out free and then want you to buy more levels, so do your research.
Find one of our local Spanish radio stations and listen in the car. Watch a program on Univisión or Telemundo. Pick a Spanish news Twitter like @bbcmundo_ultimo or @el_pais or @practicaespanol (yes, THAT Práctica español) and follow them and check out some links. Practice grammar/vocabulary with Conjuguemos.com or vocabulary with StudyBlue.com or practice reading and listening with a Spanish news website like the ones linked below. Try and follow the World Cup in Spanish, check the weather daily, or add a couple of Spanish blogs to your Tumblr. Feel free to email me during the summer if you have questions about things you're doing or what you can do to improve specific skills.
StudyBlue.com for vocabulary flashcards on your desktop, phone, or tablet
Conjuguemos for verb and vocabulary practice
Study Spanish for grammar review and practice
Práctica español for reading/listening practice
BBC Mundo for world news via articles & video