This is the 13th year of this event, and it just keeps getting better and better.
Many will cruise with other to this show so depending on what kind of car you plan on bringing, you should log into your native forum and check out where people are meeting up to cruise together.

When: September 25th & 26th (25th @ 12 & 26th @ 9)
Where: Ocean City, Maryland
Fee: To be a spectator it will be free, to participate please visit website for details
Go here for details on the event: http://www.h2ointernational.com/