Note that every translation is actually an interpretation. The expression "English interpretation of the Quran" should be used rather than "English translation of the Quran. The actual Quran is the Arabic Quran.
God preserved the Quran by preserving the language of the Quran (Arabic). It is spoken by over 300 million people around the world. Most of the Quran is simple and written in a perfectly understandable Arabic language. The Quran also includes descriptions and references to scientific facts that were not understood until very recently.
Islam Awakened. This site is amazing. It provides English interpretations by over 30 people. It also provides controversial English interpretations. Furthermore, it provides English interpretations by Non-Muslims and Orientalist.
The Quranic Arabic Corpus - Word by Word Grammar, Syntax and Morphology of the Holy Quran. This site provides English interpretations by seven people.
Quran Explorer. This site includes five English interpretations along with audio for two English interpretations.