Who do you think has a better time? Almost everyone remembers a party they hosted. Few remember the parties they minimally attended. The host is engaged, making it happen, talking to everyone. The guest is only waiting. Who are you? What would it take you to transform yourself from a guest to a host?
Events are often seen as one-weekend excuses to get out of the office and spend some time in a sunny destination. Living in the South Florida area, I can't argue with the beautiful weather and scenery as a worthwhile reason for travelers to visit, but events offer a lot more than a chance to get away.
You've worked hard to get this opportunity and you want to make sure you get the most out of it. During the remaining weeks of your internship, think of this opportunity as a chance to "try on" a new role, or possibly several new roles if you're given the chance to rotate through different areas of the organization.