Langerman's Luau and Trader Vic's - Narberth, PA
The reason this image is used for March is obviously Easter. The mug in the foreground is from Langerman's Luau. If the incredible images of it on Arkiva Tropika are any indication, this was one glorious Polynesian Palace in Pennsylvania!
image courtesy Arkiva Tropika
There was apparently more than one location. It seems there was one in Atlantic City. They had at least two unique mugs. This Moai mug from Langerman's is notable for having shoulders and not just a head. There is a unique OMC mug shown here on Tiki Central and recently sold on Ebay You can see the markings for the Moai here on Ooga-Mooga.