How do I transfer my site from localhost with MAMP to dreamhost?
If you can back up a copy of your domain directory, transferring to DH from MAMP should be much like transferring from any other host.
Here are some Wiki articles that may be helpful to you: http://wiki.dreamhost.com/Transfer_your_hosting_to_DreamHosthttp://wiki.dreamhost.com/Move_WordPress_to_DreamHost
I also found this tutorial about transferring from a local host to a live one:
Hope this helps! If you have any trouble please contact support and someone will respond ASAP!https://www.dreamhost.com/support/