[1] Chef and owner Makoto Kimoto opened the izakaya in February 2018, serving Japanese cuisine such as baozi, dandan noodles, onsen tamago, ramen, sushi and sashimi, and wagyu.

Since 2022, the sibling establishment Baiten has also operated in Tamari, serving fruit sandwiches, floats, sundaes and other desserts with ice cream.

[3] AJ Rathbun of Seattle Magazine wrote: "Tamari Bar isn't huge, and falls into the almost-industrial vibe – open duct work and pipes hanging from a high ceiling, brick walls, clean lines, large street-side windows.

[7] Food options include sushi and sashimi, vegetable chips with Japanese honey mustard and sriracha dipping sauces, and a dish called My Nira-Tama, which has Chinese chives, onsen tamago (soft-boiled egg), and chili oil.

[8] The Asian Poutine has ground pork, nori, parmesan cheese, and chili oil, and the wagyu beef is served with garlic and wasabi.

Geisha, described as a "lime-and-ginger tequila drink with a Pacific rim of matcha salt";[11] the Hot Toki Toddy with Suntory Toki whiskey, honey, lemon, and Japanese plum wine; as well as the Yuzu Fashioned, a version of an Old fashioned with bourbon, bitters, and yuzu syrup that is garnished with rum-marinated cherries and mint.

[24][25] Meg van Huygen and Sophie Grossman included Tamari Bar in Eater Seattle's 2024 list of fifteen "sensational" sushi restaurants in the metropolitan area.