As a matcha snob this iced matcha latte was quite delicious. Very dark and not watered down. Quite expensive though and with added vanilla syrup and oat milk it came out to be $9. Very nice staff...
Bluestone Lane Montauk Coffee Shop
(37)
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Also at this address
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Went to Bluestone on a Saturday morning in the summer, I found the ambiance nice but nothing special, the wait to oder was only 5 minutes! I Oder 2 matcha lattes and it took less than 5 minutes...
Don't waste your time or money coming here. The baristas are rude and couldn't care less about their customers. The matcha was watered down and lacked any sort of flavor, super disappointing.

The workers didn't seem too experienced in coffee making. All of the size are the same amount of espresso but hold very different amounts of liquids - for a flat white the ratios for a flat white...

It seems this place can be great or terrible depending on who is running it for the day and what you order. Ordered a cold brew and was given one ordered online by someone else half an hour...