Mosaic Restaurant and Ultra Lounge Introduce
Mosaic Restaurant and Ultra Lounge is a dynamic and multifaceted destination that adds a distinctive flair to the downtown San Jose, California, nightlife and dining scene. Operating as an Asian Fusion and American restaurant, it offers a diverse menu designed to appeal to the adventurous palate of the Californian diner. The concept is unique: it functions as a relaxed and casual eatery during the day and early evening, transitioning into a trendy, upscale ultra lounge as the night progresses, complete with live music and a bustling bar atmosphere. This duality makes it an intriguing spot for a variety of occasions, from a casual lunch to a romantic dinner, and an energetic late-night experience.
The cuisine is best described as an innovative fusion, blending contemporary New American staples with the vibrant, bold flavors of Asian cooking. This is evident in the menu, which features creative dishes like the Miso Ginger Salmon, Spicy Curry Noodles, and Crab Fried Rice, alongside more familiar comfort options such as Flat Iron Steak & Prawns and Truffle Mac & Cheese. The extensive offerings ensure that guests can find something to suit their mood, whether they are craving Asian-inspired small plates or a hearty American entrée. However, as with all fusion concepts, the execution is key, and patrons should manage expectations regarding consistency, as customer feedback on specific dishes has occasionally been mixed, citing issues like seasoning and wait times. Nonetheless, the overall concept of a destination that combines a full-service restaurant with an ultra lounge atmosphere, boasting great cocktails and entertainment, maintains its strong appeal in the South Bay area.
Conveniently situated in the vibrant downtown core of San Jose, California, Mosaic Restaurant and Ultra Lounge is located at:
211 S 1st St, San Jose, CA 95113, USA
The restaurant’s placement, often associated with the historic Hotel Montgomery, provides a central and easily accessible venue for locals and visitors. Accessibility is well-considered, with full provisions made for all guests: the premises feature a wheelchair accessible entrance, parking lot, restroom, and seating. For drivers, the surrounding area offers numerous parking options, including a free parking lot, a paid parking garage, a paid parking lot, and paid street parking, providing flexibility for patrons coming from anywhere in the Bay Area. The presence of an outdoor patio also enhances the accessibility and ambiance, offering a pleasant space for dining.
The range of services offered by Mosaic Restaurant and Ultra Lounge is comprehensive, catering to nearly every need a diner might have, from a quick meal to a full-scale private event.
- Dining Services: Available for Breakfast, Brunch, Lunch, and Dinner, with both Seating and Counter Service.
- Carry-Out and Delivery: Offers Takeout, Delivery, and No-contact delivery options for those who prefer to dine at home.
- Ultra Lounge & Bar: Features a full Bar Onsite, specializing in Cocktails, Beer, Hard Liquor, and an extensive Wine List.
- Happy Hour: Features both Happy Hour Drinks and Happy Hour Food, available daily, making it a popular after-work destination.
- Late-Night Service: Known for offering Late-night food, catering to the crowd that visits the downtown area after typical dinner hours.
- Reservations: Accepts reservations, with dinner reservations being recommended, particularly on weekends when the lounge atmosphere is in full swing.
- Catering and Private Dining: Offers Catering services and has a dedicated Private Dining Room for events and special gatherings.
- Inclusivity: Proudly identifies as LGBTQ+ friendly and a Transgender safespace, welcoming a diverse crowd.
Mosaic is celebrated for several distinguishing features that set it apart from other dining and entertainment venues in the San Jose region.
- Great Cocktails and Bar Program: The bar is a major highlight, with a wide array of top-shelf alcohols and a reputation for creative, well-mixed cocktails. The presence of an "iced back bar" further highlights the venue's dedication to its drink program.
- Ultra Lounge Atmosphere with Entertainment: The venue is distinguished by its Ultra Lounge aspect, which includes Live Music (such as live jazz on Friday nights), Sports viewing, and generally a trendy, upbeat atmosphere, especially during the evenings.
- Diverse Menu Offerings: The menu spans American and Asian Fusion, offering a unique mix of Comfort Food, Small Plates, Healthy Options, Halal Food, Organic Dishes, and numerous Vegetarian Options.
- Signature Dishes: Key menu items include the Peppered Salted Prawns, Crispy Calamari, Ahi Tuna Tartare, Crab Fried Rice, and the popular Truffle Mac & Cheese.
- Ambiance and Crowd: The atmosphere successfully blends Casual, Cozy, Romantic, Trendy, and Upscale vibes, attracting a diverse crowd including Families, Groups, LGBTQ+ community members, and Tourists.
- Fast Service: Highlighted as a feature, the restaurant strives for fast service, which is a significant factor for downtown diners on tight schedules (though individual customer experiences regarding speed may vary).
For all inquiries, reservations, or to place an order, the contact information for Mosaic Restaurant and Ultra Lounge is as follows:
Address: 211 S 1st St, San Jose, CA 95113, USA
Phone: (415) 688-9437
Choosing Mosaic Restaurant and Ultra Lounge provides California diners with a distinctive hybrid experience unmatched by traditional establishments. Its central downtown San Jose location and extended operating hours—often open until 2:00 AM—make it an essential stop for late-night enthusiasts. It is particularly worth choosing for those who prioritize a lively, social atmosphere alongside their meal. The fusion menu allows for culinary exploration, appealing to groups with diverse tastes, as there is everything from robust New American steaks to delicate Asian-inspired seafood. The strong emphasis on a premium beverage program, featuring a great wine list and exceptional cocktails, makes it an ideal spot for happy hour or a celebratory toast.
For a dynamic night out in the South Bay, where a dinner can seamlessly transition into a stylish lounge experience complete with live entertainment, Mosaic offers a compelling proposition. While some reviews indicate potential for organizational and service challenges during peak times, the sheer breadth of its offerings—spanning multiple meals, late-night service, and a full-scale ultra lounge—firmly establishes it as a unique and influential element of the San Jose dining and nightlife tapestry. Patrons planning a visit should consider making a reservation, especially for dinner, to secure their spot in this busy downtown venue.
Mosaic Restaurant and Ultra Lounge Menu
Appetizers
- Peppered Salted Prawns $21.00
Jalapeno / Scallion / Green Beans / Thai Chili / Sweet Chili Sauce. Request Grilled
- Crispy Calamari $21.00
Fried Onion / Fried Jalapeno Chips / Chipotle Aioli
- Roasted Lamb Chops $20.00
Spinach Infused Mash Potato / Mint Reduction Sauce
- Ahi Tuna Tartare $21.00
Quail Egg / Avocado / Scallion / Jalapeno / Wonton Crisp / Ponzu Sauce
- Pot Stickers $17.00
Pork / Cabbage / Chili Soy Sauce
- Vegetable Egg Rolls $14.00
Sweet Sour Sauce
Bar Bites
- Truffle Fries $15.00
Choice of: Truffle / Garlic / Dirty
- Sliders $18.00
Brioche Bun / Lettuce / Tomato / Garlic Aioli. Choice of: Beef / Chicken
- Hot Wings $16.00
Louisana Hot Sauce / Blue Cheese
- Truffle Mac & Cheese $20.00
Asiago / Parmesan / Panko
- Flat Bread $17.00
Pepperoni / Salami / Tomato / Pesto / Cheese. Sub Vegetables (vegetarian)
- Fried Tofu $17.00
Crispy Firm Tofu / Jalapeno / Scallion / Sweet Chili Sauce
Soups & Salads
Make Any Salad and Entrée by Adding: Chicken $10, Sesame Ahi Tuna $14, Grilled Prawns $14, Miso Salmon $14, Flat Iron Steak $14
- Hot & Sour
Silk Tofu / Wood Ear / Bamboo Shoots / Hot Sour Broth
- Chinese Salad
Mixed Greens / Rice Noodle / Tomato / Walnut / Chinese Sesame Dressing
- Caesar Salad
Romaine Hearts / Garlic Croutons / Parmesan / Caesar Dressing
Sides
- Roasted Carrots $14.00
Butter / Garlic
- Wok-Fried String Beans $16.00
Oyster Sauce / Garlic
- Mashed Potatoes $12.00
Spinach Infusion or Garlic
- Garlic Miso Chinese Broccoli $16.00
White Miso / Garlic
- Cucumber Wakame Salad $16.00
Seaweed / Red Onion / Cucumber / Ponzu
Rice & Noodles
- Crab Fried Rice $29.00
Dungeness Crab / Soya Bean Crab Paste Scallion / Fish Sauce / Chili Oil
- Yang Chow Fried Rice $19.00
Chinese Sausage / Scallion / Sesame Oil / Soy Sauce
- Jasmine Rice
- Spicy Curry Noodles $20.00
Red Thai Curry / Coconut Milk / Cabbage / Carrot
- Thai Style Chow Fun $19.00
Flat Rice Sheet Noodle / Thai Chili / Soy Sauce
- Garlic Noodles $17.00
Egg Noodle / Garlic Oil / Roasted Garlic / Cabbage / Carrot / Soy Sauce
Entrees
- Sesame Ahi Tuna $32.00
Wakame Seaweed Salad / Pickled Ginger / Wasabi / Soy Sauce
- Miso Ginger Salmon $32.00
Butter Bokchoy / Cherry Tomato / Miso Ginger Sauce
- Kurobuto Pork Chop $36.00
Spinach Mash Potato / Roasted Carrots / Bulgogi Sauce
- Crab Stuffed Salmon $39.00
Dungeness Crab / Cheese / Garlic Miso Chinese Broccoli / Roasted Carrots / Lemon Butter Sauce
- Ginger Smoked Seabass $46.00
Butter Bokchoy / Cherry Tomato / Ginger Smoke Glaze
- Flat Iron Steak & Prawns $37.00
Tiger Prawns / Roasted Carrots / Garlic Miso Chinese Broccoli / Garlic Butter Sauce
- Rack of Lamb $48.00
Butter Bokchoy / Cherry Tomato / Korean Gochujang Sauce
- Roasted Chicken $29.00
Garlic Miso Chinese Broccoli / Roasted Carrots / Truffle Mac & Cheese
Sweets
- Chocolate Molten Cake $12.00
Molten Chocolate Center. Choice of Vanilla / Green Tea / Coffee
Mosaic Restaurant and Ultra Lounge Details
Service options
- Outdoor seating
- No-contact delivery
- Delivery
- Takeout
- Dine-in
Highlights
- Fast service
- Great cocktails
- Great tea selection
- Great wine list
- Live music
- Sports
Popular for
- Lunch
- Dinner
- Solo dining
Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
- Wheelchair accessible restroom
- Wheelchair accessible seating
Offerings
- Alcohol
- Beer
- Cocktails
- Coffee
- Comfort food
- Halal food
- Happy hour drinks
- Happy hour food
- Hard liquor
- Healthy options
- Late-night food
- Organic dishes
- Private dining room
- Small plates
- Vegetarian options
- Wine
Dining options
- Breakfast
- Brunch
- Lunch
- Dinner
- Catering
- Counter service
- Dessert
- Seating
- Table service
Amenities
- Bar onsite
- Gender-neutral restroom
- Restroom
- Wi-Fi
- Wi-Fi
Atmosphere
- Casual
- Cozy
- Romantic
- Trendy
- Upscale
Crowd
- Family-friendly
- Groups
- LGBTQ+ friendly
- Tourists
- Transgender safespace
Planning
- Dinner reservations recommended
- Accepts reservations
Payments
- Credit cards
- Debit cards
- NFC mobile payments
- Credit cards
Children
- Good for kids
- High chairs
Parking
- Free parking lot
- Paid parking garage
- Paid parking lot
- Paid street parking
- Parking
Mosaic Restaurant and Ultra Lounge Photos










Mosaic Restaurant and Ultra Lounge Location
Mosaic Restaurant and Ultra Lounge
211 S 1st St, San Jose, CA 95113, USA
Mosaic Restaurant and Ultra Lounge Reviews
happy hourappetizerspartybartendergarlic noodlescrab fried ricepork chopseahot and sour soupfried tofu
★ 5★ 4★ 3★ 2★ 1Food is yummy. I only have 1 real issue. I ordered cucumber wakame salad. There was NO cucumber. It was a seaweed salad, which tasted fine.Edit: taking one more star off. Dessert order was ice cream. I specifically asked for silverware. Wait staff confirmed its there. I sit down to eat and there's no spoon. Knife can only do so much with ice cream 🙄
October 13 · Home XoomI had one of the most disappointing dining experiences here. After being seated, it took the servers 20 minutes just to come to our table and take drink orders. We thought things would get better after that, but it only went downhill.We ordered a few appetizers, and the first one didn’t arrive until an hour later. The rest trickled out one by one over the next hour, so by the time we got everything, half of it was cold and no one was even hungry anymore.To make things worse, the food itself was less than marginal, bland, poorly presented, and definitely not worth the long wait. The staff seemed totally unorganized and didn’t check in on us at all during the long wait. For the prices they charge, you’d expect at least basic service and timely food. Sadly, this was a total letdown. I wouldn’t recommend this place unless you enjoy waiting forever for your meal.
October 15 · Shruthi ChandranOrdered an old fashioned, advertised as $18. Bill came out reflecting $22.Sat at the bar, as the second person there. Took them over 5 minutes to acknowledge me and over 10 minutes to order a drink.Way overpriced and service sucks.
October 15 · DamonI've not had a worse experience anywhere before.- We were seated for 40 minutes before someone took our order- They were out of half of the things on the menu- Order took another 50 minutes to arrive- When food arrived, we could tell that it's microwaved- No one brought the check to us for 20 mins.- We ourselves got up and gave the cashier the Credit card at the end and walked out.
October 16 · Saloni GargR&B Brunch at Mosaic is ridiculous. I highly recommend. Great food, music, atmosphere and hospitality! A special shout out to Kush. He's doing his thang!
June 15 · Troy Banks
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