It's a fantastic restaurant. If oysters are your thing, there's no better place.  And it's the best lobster roll in town.  I highly recommend it.  
Plus, for better or worse, you'll likely see a bunch of judges and lawyers.  After all, owner Ryan 
Roman is a lawyer himself at Akerman:
Ryan Roman is an associate in the Litigation Practice Group. His 
commercial litigation practice includes a focus on securities litigation
 matters, including SEC enforcement proceedings and securities 
class-action defense. He has also represented portfolio companies in 
private equity litigation matters. In addition, Ryan is also experienced
 servicing clients in the hospitality industry, having defended 
restaurant shareholders in various business disputes. He has defended 
various businesses in consumer class actions, and represented companies 
in the enforcement of money judgments. 
       
But he has a passion for food, running the popular food blog, 
MiamiRankings.
Ryan opened the joint with Blue Collar's Danny Serfer.  From the 
Miami.com review:
"We're both into oysters and classic raw bar 
... and of course prime rib," Roman says. "So we're excited to share all
 that at Mignonette. Oysters are an aphrodisiac, the more you eat them, 
the more you love to eat them. We just want to have a place to eat cold 
seafood that's fun, casual and has curse words on the radio."
PS: Evoking sort of an ethical husband/wife 
privilege, Roman says that Blue Collar will no longer be eligible for 
his restaurant rankings. 
 The Miami New Times review is great:
The idea for Mignonette came to the pals a year and a half ago over a bowl of ramen at Momi Ramen
 in Brickell. Roman was at first hesitant. What swayed him to risk 
pouring his life savings into the business? "I'd rather live in a 
restaurant than a house," he explains. 
So a little more than a month ago, they decided to open Mignonette 
with a fairly expansive menu of simple, classic preparations. To execute
 their vision, they plucked Mignonette's chef de cuisine, Bobby Frank, 
from Blue Collar, where he was Serfer's protégé. Then they decorated the
 place in an "Old Florida meets New Orleans" style that includes tan 
leather banquettes, a marble raw bar, and hanging constellations 
festooned from copper pipes. There's also an intimate back room with 
original wall art consisting of life-size fish rendered in gold leaf by 
artist Reed van Brunschot. 
I like the story of the two owners on the Mignonette website:
Following the adage that the pen 
is mightier than the sword, Ryan Roman cuts all of his steaks with a 
pen.  A Miami native, Roman began writing about food and restaurants in 
2009, with the launch of his blog, 
Miami’s Restaurant Power Rankings. 
 Roman also contributes as a columnist for Edible South Florida.  When 
he is not writing about food, he is a practicing attorney with the law 
firm Akerman LLP.
 
Roman first met chef Daniel Serfer after 
becoming a regular at Blue Collar, but perhaps the more compelling story
 is when the two didn’t meet.  Unbeknownst to Roman, Serfer would read 
Roman’s blog while laboring away in a kitchen in New York City, during a
 short absence from the Miami culinary scene.  Operating under the 
misimpression that the namesake “power rankings” on the blog were the 
result of some scientific algorithm, as opposed to one person’s 
arbitrary opinion, Serfer dreamed of opening his own restaurant back in 
Miami and achieving a spot on the rankings.  When Blue Collar opened, 
Serfer invited Roman to a media preview, having pushed his public 
relations company to free up one extra seat.  The stars were aligned for
 the two to meet and for their friendship to begin.
Roman
 declined the invitation.  Unaware of the backstory that Serfer had 
created in his head, and generally preferring to avoid what he perceived
 as freebie meals, Roman saw the invitation as just another piece of PR 
material for the circular filing cabinet.
But unlike Sharknado, 
this story has a happy ending.  Roman discovered Blue Collar in due 
time, falling for its emphasis on comfort food, its homey vibe, and its 
friendly staff.
After developing a friendship during which time 
Roman served as best man at Serfer’s wedding and godfather to Serfer’s 
firstborn child (who is affectionately referred to as Steak), and during
 which time Roman’s fear of commitment made it impossible for him to 
return such favors to Serfer, the two conspired to open Mignonette.