Sin & Grin
Sin & Grin is a Gaithersburg, MD taco spot in the Kentlands area known for Mexican food, casual Mexican fare, and a neighborhood restaurant feel, with a 4.6★ rating across 283 Google reviews.
Best for
Why people love this place
- •Highly rated by locals
- •Reasonable mid-range pricing
- •Good for casual tacos
- •Located in Kentlands, Gaithersburg
- •Plenty of community reviews
Order like a local
- →Order a sampler — two or three different fillings — to find your favorite.
- →Try at least one of the house salsas. Ask which is the spiciest.
Good to know
Frequently asked
What kind of tacos does Sin & Grin serve?+
Sin & Grin is known for classic Mexican tacos, plus the usual taquería staples like rice, beans, and house salsas.
Where is Sin & Grin located?+
Sin & Grin is at 353 Main St, Gaithersburg, MD 20878, USA, in the Kentlands neighborhood of Gaithersburg, Maryland.
Is Sin & Grin good?+
Sin & Grin has a 4.6★ average across 283 Google reviews — loved by locals by Gaithersburg taco standards.
How expensive is Sin & Grin?+
Sin & Grin sits at $$ (mid-range) — typical for a Gaithersburg taquería.
Taco Love Feed
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Sin & Grin is one of many great taco spots in Gaithersburg, Maryland. Browse the full guide to Gaithersburg taco joints, including more options near Kentlands, or map a weekend taco road trip across the region.