Mex Avila

You can create your clusters an easy way.
<ol>
<li>Go to Clusters</li>
<li>Select the options</li>
<li>Copy the shortcode </li>
<li>Paste in your post/page</li>
</ol>

Pixel Cluster

A small plugin for create clusters of posts.

Cobbysoft

Awesome Google Maps plugin makes it EASY to add Google Map on your website. No Coding, No Setup.
Features of the plugins
[wpmap]1313 Disneyland Dr, Anaheim, CA 92802, United States[/wpmap]
<a href="http://www.optimalplugins.com/doc/awesome-google-maps" rel="nofollow ugc">User Guide</a>

Awesome Google Maps

Awesome Google Maps plugin makes it EASY to add Google Map on your website. No Coding, No Setup.

Pixel Cluster vs Awesome Google Maps