You can create a new site on a sub-web and choose an alternate
template for the sub-web. You can follow these steps to create the
sub-web:
Log into your SharePoint site with your Admin account
From the Site Actions menu select Create
Under Web Pages click on Sites and Workspaces
Fill in all the details of your new site. Under Web Site Address you can specify the name of your sub-web. Under Template Selection you can choose either the default Team Site, or one of the other available Templates.