Google Base

• Google Base offers Free Listings for Vacation Rental Properties (and reviews, real estate, recipes and more)
• Example of a listing
• Not Included: Google Apps can provide email, spreadsheets, calendaring and more. Combine that with a modern asp PMS and your whole business can be run through a browser

Google Maps

• Use Google Maps to create fun, easy and interactive maps for your website.
• Consider using Community Walk, an application to build better Google maps. Search Engine Results Benefit!
  
• Example Embedded into a website
  
• Google Earth is the dynamic 3D version of Google Maps. Community Walk creates Google Earth maps. Here is an Uploaded Version (You have to have Google Earth installed)
• Not Included: Google Adwords has special features for a presence in Google Maps and Google Local.
  

Google Local

• Google Local is where Google is building your business profile. Local Search is a unique, and powerful algorithm.
  
• Recognize the power of the Local Search Example with similar example with no Google Maps recognition
  
• Edit your own business profile
• Not Included: Google Calendar is a good way to promote local events. Connecting it to your Google Desktop or Google Homepage is a handy way to use it personally.

Google Video and Youtube

• Video delivered by Google and Youtube is growing fast and offers several benefits:
• A large community of users watching video. If you have a quality video, expect good numbers.
• SEO benefits from videos. Example Search
  
• Videos are easy to embed into your websites.

Trent Speaking at VRMA national 

• Not Included: Google Alerts are a great way to have Google notify you and Google Mobile is coming on strong for Mobile-based websites like this VRBO example or my Blizzard mobile site. 

Google Sitemap

• Google Webmaster's Central offers excellent tools and information.
• Every SEO professional should have their site registered with Google using XML sitemaps (Yahoo too)
• Not Included: Google Image search can drive a lot of traffic. Consider optimization strategies for images to get some of this free traffic.  International Google searches are a powerful area many webmasters don't consider.