Ran across this when reading a product description on Amazon.
This item is not for sale in Catalina Island
Note that Catalina Island is a modest-sized inhabited island off the coast of the most populated part of southern California. About the only industry on the island is catering to tourists. There is nothing special about Catalina. My measure of a clear day is when I can see Catalina when coming down the hill from my house.
Turns out, there are quite a lot of mentions, all in advertisements and product descriptions, and no apparent explanation.
Something smells funny.
As a guess, it looks as though this could all have a common source. All the references I found are roughly similar structure - as though somewhere the odd item were getting inserted into a stream of product information, which was in turn transformed and piped to a variety of destinations.
Someone trying to be clever?