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Ostra, Boston, MA

Ostra

4.8 (4771)
$30 and under
Seafood
1 Charles St. South, Boston, MA 02116

Make a reservation

2 people
8:00 PM
Booked 63 times today

About this restaurant

  • Good for special occasions
  • Good for business meals
  • Fancy
Situated in Boston's vibrant Back Bay neighborhood, One Charles Street South is home to a modern Mediterranean eatery known as Ostra. Led by Chef/Owner Jamie Mammano and Executive Chef Mitchell Randall, our restaurant draws inspiration from the abundant seafood offerings of both local New England waters and the coastal regions of Europe. With a strong emphasis on specialty seafood sourced from the Mediterranean and various parts of the United States, our culinary creations showcase the natural essence and delightful flavors of each dish through their light preparation.

Additional information

  • Dining style
    Fine Dining
  • Price
    $30 and under
  • Cuisines
    Seafood
  • Hours of operation
    Mon–Thu 5:30 pm–9:00 pm Fri, Sat 5:30 pm–10:00 pm Sun 5:30 pm–8:30 pm
  • Phone number
  • Payment options
    AMEX, Discover, Mastercard, Visa
  • Dress code
    Business Casual
  • Executive chef
    Jamie Mammano
  • Private party facilities
    Our private dining room at Ostra comfortably seats up to 42 guests and 75 for a reception. We also offer private buyouts of the restaurant for up to 150 guests.
  • Private party contact
    Lisa Flores: (617) 421-1200
  • Neighborhood
    Back Bay
  • Cross street
    Stuart Street
  • Parking details
    Valet
  • Public transit
    Arlington on the Green Line & Tufts Medical Center on Orange Line
  • Additional
    Bar/Lounge, Beer, Cocktails, Full Bar, Gluten-free Options, Non-Smoking, Private Room, Takeout, Wheelchair Access, Wine
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Private dining

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What 4,771 people are saying

Ostra reviews from people who’ve dined at this restaurant. Based on recent rating.

Overall ratings and reviews

Reviews can only be made by diners who have eaten at this restaurant

4.8
4.8 based on recent ratings
  • 4.9Food
  • 4.8Service
  • 4.7Ambience
  • 4.4Value

NoiseModerate

Loved For

  • Greater Boston

    Seafood

  • Boston

    Seafood

Review summary

AI-generated from verified diner reviews
Ostra is a top-notch seafood destination in Boston, renowned for its "outstanding food" and "amazing service." Diners rave about the "salt-crusted Branzino" and expertly crafted dishes. The ambiance is sophisticated yet welcoming, making it "perfect for special occasions." Despite being pricey, it offers a memorable dining experience worth every penny.
4,771 Reviews
  1. Nadia

    Dallas - Fort Worth1 review

    4.0

    Dined 2 days ago

    1. Overall 4
    2. Food 4
    3. Service 4
    4. Ambience 4
    for the price, while the taste was good the portions were really absurdly small. yes, i understand these are meant to be eaten as a 1st and second but that is impractical for a solo diner. i spent $120 and had to go buy more food after my meal.

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  2. John

    New York City65 reviews

    5.0

    Dined 5 days ago

    1. Overall 5
    2. Food 5
    3. Service 5
    4. Ambience 5
    Ostra is always a treat ! Food & Service always a A + everytime i visit Boston i go to Ostra !
    OstraResponded 2 days ago
    Thank you for taking the time to share your positive experience with us, John! We're delighted to hear that you enjoyed both the food and service at Ostra during your visits to Boston. It's wonderful to know that we've been able to consistently provide you with an exceptional dining experience. We look forward to welcoming you back the next time you're in town. Regards, Julia.

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  3. david VIP

    Greater Boston3 reviews

    5.0

    Dined 6 days ago

    1. Overall 5
    2. Food 5
    3. Service 5
    4. Ambience 5
    Katherine was a great server. Kept in touch with us and anticipated when we were ready to order. Let us go at our own pace. Dave Driscoll
    OstraResponded 4 days ago
    David, thank you for taking the time to share your positive experience with us. We are delighted to hear that Katherine provided exceptional service and made your visit enjoyable. It brings us great joy to know that our staff was able to anticipate your needs and allowed you to enjoy your dining experience at your own pace. We look forward to welcoming you back soon. Regards, Julia.

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  4. Claudia

    Greater Boston2 reviews

    5.0

    Dined 6 days ago

    1. Overall 5
    2. Food 5
    3. Service 5
    4. Ambience 5
    Ostra never disappoints! Food is outstanding!!
    OstraResponded 2 days ago
    Claudia, thank you for your kind words - we're delighted to know you enjoyed your experience at Ostra! Nothing brings us more joy than satisfied guests. We look forward to welcoming you back soon. Regards, Julia.

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  5. Anna VIP

    Washington, D.C. Area17 reviews

    5.0

    Dined 6 days ago

    1. Overall 5
    2. Food 5
    3. Service 5
    4. Ambience 4
    Excellent meals and drinks as always, best oysters in Boston.
    OstraResponded 4 days ago
    Anna, thank you for your positive review. It's wonderful to hear you enjoyed your experience with us. We strive to provide excellent service and top-quality cuisine. Your satisfaction is our priority, and we look forward to welcoming you back soon. Regards, Julia.

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  6. william VIP

    Los Angeles392 reviews

    5.0

    Dined 7 days ago

    1. Overall 5
    2. Food 5
    3. Service 5
    4. Ambience 4
    Monkfish, grilled branzino, halibut, seafood stew, crab, risotto , lobster gnochetti, crudo were stellar. Christopher was great
    OstraResponded 4 days ago
    William, thank you for your positive review and kind words about our seafood dishes and service. We strive to provide an exceptional dining experience, and it's gratifying to know that you enjoyed your meal. We hope to have the opportunity to welcome you back soon. Regards, Julia.

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  7. PJ VIP

    Chicago / Illinois2 reviews

    4.0

    Dined on June 19, 2025

    1. Overall 4
    2. Food 4
    3. Service 5
    4. Ambience 4
    Food was surprisingly good. Great service. Would go back
    OstraResponded 4 days ago
    PJ, thank you for your visit and for taking the time to share your feedback. I'm delighted to hear that you enjoyed the food and service at our restaurant. We strive to provide an exceptional dining experience, and it's rewarding to know that we exceeded your expectations. We look forward to welcoming you back soon. Regards, Julia.

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  8. Mark VIP

    Cincinnati / Dayton52 reviews

    4.0

    Dined on June 19, 2025

    1. Overall 4
    2. Food 4
    3. Service 5
    4. Ambience 5
    We enjoyed our food and the service was very attentive. A busy night. We hope to return.

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  9. Misty

    Indiana21 reviews

    5.0

    Dined on June 18, 2025

    1. Overall 5
    2. Food 5
    3. Service 5
    4. Ambience 5
    Wonderful experience. I am a single diner and was very well taken care of. Katie made great recommendations and was a pleasure. You could tell that all the staff enjoyed their job which speaks highly of management. Food was fresh and seasoned perfectly. Will return and highly recommend.
    OstraResponded on June 19, 2025
    Misty, thank you for your kind words and for taking the time to leave such a wonderful review. We're delighted to hear that Katie provided excellent service and recommendations, and that you enjoyed the fresh and perfectly seasoned food. It's our goal to create an exceptional dining experience, and we're thrilled that you felt well taken care of. We look forward to welcoming you back soon. Regards, Julia.

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  10. john VIP

    Greater Boston22 reviews

    4.0

    Dined on June 17, 2025

    1. Overall 4
    2. Food 5
    3. Service 4
    4. Ambience 5
    The food was top notch. The Branzino for two was absolutely outstanding and was enough for three. Apps of shrimp,oysters and salmon tat tar were all fresh and very tasty. Overall and excellent meal in a festive environment. Highly reccomend.
    OstraResponded on June 18, 2025
    Thank you, John, for your wonderful review! We're delighted to hear that you thoroughly enjoyed your dining experience with us, especially the Branzino for two and the fresh appetizers. Your satisfaction is our top priority, and we're thrilled that the festive ambiance added to the overall enjoyment of your visit. We look forward to welcoming you back soon for another exceptional culinary journey. Regards, Julia.

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FAQs

Ostra offers takeout which you can order by calling the restaurant at (617) 421-1200.

Ostra is rated 4.8 stars by 4771 OpenTable diners.

Ostra does offer gift cards which you can purchase here.

Yes, you can generally book this restaurant by choosing the date, time and party size on OpenTable.

  1. Home
  2. United States
  3. Greater Boston
  4. Boston
  5. Back Bay

Make a reservation

2 people
8:00 PM
Booked 63 times today
Google Map for Ostra

1 Charles St. South, Boston, MA 02116

Additional information

  • Cross street
    Stuart Street
  • Neighborhood
    Back Bay
  • Hours of operation
    Mon–Thu 5:30 pm–9:00 pm Fri, Sat 5:30 pm–10:00 pm Sun 5:30 pm–8:30 pm
  • Price
    $30 and under
  • Cuisines
    Seafood
  • Dining style
    Fine Dining
  • Dress code
    Business Casual
  • Parking details
    Valet
  • Public transit
    Arlington on the Green Line & Tufts Medical Center on Orange Line
  • Payment options
    AMEX, Discover, Mastercard, Visa
  • Executive chef
    Jamie Mammano
  • Additional
    Bar/Lounge, Beer, Cocktails, Full Bar, Gluten-free Options, Non-Smoking, Private Room, Takeout, Wheelchair Access, Wine
  • Phone number
  • Private party facilities
    Our private dining room at Ostra comfortably seats up to 42 guests and 75 for a reception. We also offer private buyouts of the restaurant for up to 150 guests.
  • Private party contact
    Lisa Flores: (617) 421-1200
Gift card

Gift card

Send gift cards instantly by email or print to present in person.

Send a gift card
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