~ Locally Owned ~

~ Downtown San Francisco ~

~ Private Events ~

~ Full Bar ~

~ Flexible Event Space ~

~ Locally Owned ~ ~ Downtown San Francisco ~ ~ Private Events ~ ~ Full Bar ~ ~ Flexible Event Space ~

Host Your Event at Lost Cat

A lively downtown bar perfect for birthdays, networking events, and private celebrations.

  • Unique Asian-inspired cocktails and late night bites

  • Flexible event space for intimate gatherings or full venue buyouts

  • Built-in sound system and customizable setup for easy hosting

A Downtown San Francisco Favorite for Celebrations

Lost Cat has quickly become a go-to spot for birthdays, mixers, and private gatherings in downtown San Francisco. Guests love the relaxed atmosphere, creative cocktails, and the energy that makes every event feel like a night out worth remembering.

  • Opened in 2022 by a local family

  • Up to 75 guests for full venue events

  • Perfect for birthdays, mixers, and celebrations

Inquire About Your Event

Lost Cat Bar & Bites is a lively and welcoming space designed for great company and unforgettable nights.

With a full service bar, unique cocktail menu, and flexible layout, the venue works beautifully for both casual gatherings and organized events.

  • Downtown San Francisco location near Union Square

  • Creative Asian inspired cocktails and late night bites

  • Casual, energetic atmosphere that keeps guests engaged

Check Availability
 

Flexible Spaces for Any Type of Event

Whether you are hosting a small birthday party or reserving the entire bar for a private event, Lost Cat offers flexible spaces that adapt to your guest list and event style.

  • Semi-private back area ideal for intimate gatherings

  • Full bar buyout available for private events

  • Customizable layouts for networking events, celebrations, or parties

Book Your Event

Events We Host

Lost Cat is designed for social gatherings that feel fun, relaxed, and memorable. Our team makes it easy to host a wide range of private events.

  • Make It a Birthday Worth Remembering

    Birthday parties and celebrations with cocktails, music, and a lively atmosphere your guests will love.

  • Where Networking Feels Natural

    Networking events and mixers that feel social, engaging, and easy to host in a relaxed setting.

  • Celebrate the Moments Before “I Do”

    Engagement parties and rehearsal dinners with a fun, intimate vibe and flexible setup options.

  • Bring Your Team Together, Effortlessly

    Team gatherings and group dinners that bring people together over great food, drinks, and conversation

Event Capacity & Layout Options

  • Main Dining Area

    Flexible seating designed for small to mid-size gatherings, comfortably accommodating seated dinners or more casual group layouts depending on your event style. Ideal for birthdays, team dinners, and structured celebrations.

  • Bar Area

    Open standing room perfect for cocktail-style events, allowing guests to mingle freely in a lively, social environment. Best suited for networking events, mixers, and casual celebrations with a more dynamic flow.

  • Semi-Private Back Area

    A more intimate space that accommodates up to 20 guests seated or 30 standing. Ideal for smaller gatherings, birthday parties, or private groups looking for a dedicated area while still enjoying the energy of the venue.

  • Full Buyout

    Make Lost Cat entirely yours with a full venue buyout, offering exclusive access for up to 60 seated or 75 standing guests. The space can be tailored to fit your event style, whether you are hosting a seated dinner, cocktail-style gathering, or a mix of both, with full use of the bar, seating areas, and sound system for a seamless and memorable experience.

Cocktails and Bites Your Guests Will Love

Lost Cat is known for its creative cocktail program and flavorful bites that keep the party going. Guests can enjoy a curated menu while mingling in a lively bar setting.

  • Unique Asian inspired cocktail menu

  • Late night bites available for events

  • Outside food allowed if desired

What guests love about Lost Cat

  • It was my first time here and I had a wonderful experience.

    The staff again, are phenomenal and thank you for this wonderful birthday experience.

  • Overall, Lost Cat is a charming and delightful establishment.

    Lost Cat is a fantastic spot for those seeking a unique and enjoyable experience. As soon as you step inside, you are greeted by a charming cat-themed ambiance.

  • This bar rules. It's dark, intimate, and cool.

    Seriously snazzy little spot that doesn't thankfully go for the whole "classy speakeasy" vibe that so many places seem to be these days.

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How booking works

1. Tell us about your event
Submit your date, guest count, and vision.

2. Receive a custom proposal
We recommend spaces, menus, and pricing.

3. Celebrate with ease
Our team handles the details.

Frequently Asked Questions

  • We recommend booking at least 21 days in advance to secure your preferred date.

  • Yes. Full venue buyouts are available for private events with space for up to 75 standing guests.

  • Yes. Guests may order food from our kitchen or bring their own catering if preferred.

  • A 20% non refundable deposit is required to secure your event date.

Plan Your Event at Lost Cat

From birthday parties to networking mixers, Lost Cat offers a lively downtown space where great drinks, good food, and great company come together. Tell us about your event and our team will help you plan the perfect night.