Learning a new language, especially when you don't have structured classes, can be challenging.
Fortunately, there are many online and print resources for someone wanting to learn Korean.
Talk To Me In Korean
Talk To Me In Korean is the #1 online resource I would suggest to anyone learning Korean. The great thing about this site is... everything. Audio lessons with complementary PDF handouts, and a wikipage on how to read Hangul, and it's all for free! Whether you need to brush up on your vocab, practice pronunciation, or start learning the language from scratch, this site is sure to have something useful for you.
Korean-Flashcards.com is a great way to study Korean if you need to boost your vocabulary, want to learn basic sentences, and want something to force you to look at Korean daily. You can adjust the flashcard program for the level of speech you want to practice, customize your vocabulary list, and even receive daily emails with practice sentences. Perfect for any level, and all free of cost.