The Long Tail is a very interesting topic when it comes to SEO. It has been discussed a lot by many SEO experts, and yet, we see a lot of people focusing only on a few terms that would compose the “head” of the search demand graphic.
Most of the times, it is a bad idea if you focus only on getting rankings for two or three main terms.
We found a great tool that would help a lot to research and discover potential long tail keywords.
v-seo is a nice tool to explore keywords, and to discover potential long tail terms:

This tool is very simple to use. First, you need to enter a main keyword, then the depth of the search, and finally the desired language [which is also great to be able to select keywords in multiple languages]
We did a test using the keyword “miami beach hotel”, and the results were:
Which is a very nice set of keywords.
What we liked the most of this tool, was the way that the information is presented to the user, and the way it organizes the keywords into small groups.
Another nice features from this tool are:
This is a nice tool to implement a long tail strategy for your clients.