Sebastian Williamstown
26 Esplanade, Williamstown VIC 3016, Australia
Melbourne’s best bay and sunset views Sebastian Williamstown is all about sharing with family, friends and good company – celebrating what’s good in life! Housed within the landmark heritage hospitality building, we are located right on beautiful Williamstown Beach with several bars, large function spaces with bay and seaside views, a large dining area, more intimate private dining rooms and a huge outdoor deck.
Family gatherings, beach views, seaside smells, simply delicious food from our charcoal grill and whatever drinks your taste buds desire. The menu offered at this Spanish restaurant features dishes that you would expect to find in the original San Sebastian. We will cater to all of your event needs and ensure that you will have an unforgettable time!
Function Room: Our private function room is a beautiful self-contained space with a dedicated bar and kitchen pass, bathrooms, deck access and exclusive entrance/exit.
Capacity of 80-100 guests seated | 150+ standing.
Intimate Private Dining Spaces: Capacity of 10 - 35 guests seated
Outdoor Deck: This space can be made available upon request for your function. Please make an enquiry for more information.
Make an enquiry to get in touch with the functions coordinator.
Sebastian Williamstown Function Rooms

Elegant Function Room for large or small groups
This private function room is a beautiful self-contained space with dedicated bar and kitchen pass, bathrooms, deck access and exclusive entrance/exit. Capacity of 80 guests seated | 150+ standing.
Frequently Asked Questions
How much does an event cost at Sebastian Restaurant Williamstown?
Events at Sebastian Williamstown start from 5000.00.
This may be subject to change due to seasonality, day of the week, duration and your specific requirements. For an accurate quote for your event please send an enquiry or contact one of VenueNow's Event Booking Experts.
What type of events can be hosted at Sebastian Williamstown?
The following types of events can be held at Sebastian Williamstown:
- Networking Event
- Seminar
- 30th Birthday Party
- 40th Birthday Party
- Awards Dinner
- Christening
- End of Financial Year Party
- Gala Dinner
- Product Launch
- Workshop
- Bar Mitzvah
- Christmas Party
- Corporate Function
- Engagement Party
- Conference
- Trade Show
- AGM
- Corporate Offsite
- Function
- 50th Birthday Party
- Birthday Party
- Cocktail Party
- Meeting
- Baby shower
- Bridal shower
- Ceremony
- Corporate Retreat
- Exhibition
- Private Dining
- Hens Night
- Training
- Bat Mitzvah
If your specific event type is not on the list, contact one of VenueNow's Event Booking Experts and they will check if Sebastian Williamstown is able to facilitate your event or will help you find an alternate venue.
How do I find out if Sebastian Williamstown is available for my event date?
The best way to find out if Sebastian Williamstown is available for your event date is to send an enquiry through or get in contact with one of VenueNow's Event Booking Experts.
Availability at many venues around the country is limited so if your date is flexible, please let the VenueNow team know and the venue may be able to provide a range of dates that suit your needs.
What catering / food and beverage options are available at Sebastian Williamstown?
The following food and beverage / catering options are available for guests at Sebastian Williamstown:
- Filtered Water
- Coffee / Tea
- Inhouse Catering
- Bar Tab
For more information regarding food and beverage / catering options, please contact a VenueNow Event Booking Expert.
What steps are involved in booking an event at Sebastian?
There are a few steps involved in booking an event at Sebastian Beach Bar and Grill Williamstown and the VenueNow team are here to do the heavy lifting for you.
Firstly, contact the VenueNow team by submitting an enquiry or speaking to one of our team members online or over the phone. We'll need to collect a few details from you to make your initial booking, such as your:
- Event type
- Number of people attending
- Preferred event date & time (and if this is flexible)
- Budget (per person or total)
- Room layout
- Food and beverage / catering requirements
- Any other requirements
Once we've gathered these details, the VenueNow team will contact the team at Sebastian Beach Grill and Bar Williamstown to check:
1) Can they host the event on your preferred date / time? If not, what are some alternate dates / times?
2) What is the estimated cost based on your event requirements?
This process tends to take around 1 business day on average to receive a response from the venue. Once we've received a response, the VenueNow team will contact you as soon as possible.
If you're happy with the proposed price and dates / times, the VenueNow team will connect you with Sebastian Williamstown to finalise your booking (which may include a site visit if you choose to do so).
VenueNow provides this service free of charge to you as we are paid a small fee by Sebastian if you book via us.
I have more questions. How do I get in contact?
There are a number of ways you can get in contact:
1) Call the VenueNow team on 1300 647 488 during business hours AEST
2) Contact the VenueNow team via our online chat in the bottom right of the screen
3) Submit an enquiry via the form on the page
The VenueNow team usually reply within a few hours during Australian business.
What are the operating hours of Sebastian restaurant in Williamstown?
Monday-Tuesday: Closed
Wednesday-Saturday: 12pm - Late
Sunday: 12pm - Sunset
Why should I consider having my next gathering at Sebastian Beach Grill?
If you are a great lover of Spanish food, then you will find Sebastian Beach Grill a great venue for your next party. This enormous shoreside diner brings the food and booze culture of Spain's San Sebastian to Williamstown. The restaurant offers some of the best Spanish food in town. You can be sure that you and your guests will enjoy amazing food here. It is truly quite the culinary experience!
This restaurant in Williamtown Beach offers a beautiful space overlooking the bay with a dedicated bar, bathrooms, deck access and exclusive entrance/exit, perfect for events like an anniversary dinner, birthday party, christening, engagement party, community fundraisers & awards, corporate staff training and conferences, and other social events.
What's on the menu at Sebastian Beach Grill Williamstown?
The menu of Sebastian Beach Grill features exceptional Spanish food. The menu is a blend of Spanish and Basque cooking styles, with an emphasis on quality local produce. The charcoal grill makes for delicious grills that will have you coming back again soon!
Browse through their food menu here.
As for the drinks menu, the restaurant has a wide range of Spain-meets-Melbourne cocktails and a long wine list. Pair your dinner with refreshing drinks such as classic caipirinhas, sangria or a light-bodied Verdejo.
You can find the drinks menu here.