Update: The most recent update from this blog showed the Site C site was used as a storage space for the construction of the Great Wolf Resort: http://orangecountydensedevelopment.blogspot.com/2015/01/garden-grove-update-site-c-project.html
OC Register reports that the existing Joe's Italian Ice will be closing late this summer to make way for the upcoming hotel project (Source).
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Previous post below:
Back in November 2012, OC Register reported about a project in the City of Garden Grove that entailed the construction of a total of three hotels on a site located at the intersection of Harbor Blvd. and Twintree Ln. The project overall was supposed to include about 769 hotel rooms, 4-5 restaurants, and conference space along with 2 parking structures.
Renderings (Possibly outdated):
The tallest building (to the left), among the three, was to rise 19 stories with around 300-400 hotel rooms (Source: OC Register).