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A overview of the Atlantic Oceanside Hotel property looking out over the ocean during a peaceful sunset
Meet, Connect & Celebrate by the Sea

Bar Harbor Event Venues

Host corporate conferences, business meetings, social gatherings, and dream weddings at Atlantic Oceanside Hotel & Event Center, overlooking the stunning waters of Frenchman Bay. Our renovated event spaces offer an inspiring coastal atmosphere paired with modern amenities and exceptional service. From intimate gatherings of five to grand galas of up to 200 guests, our talented staff ensures every event is seamlessly planned and beautifully executed.  

For more information, call 888-296-0403 or email sales@aobarharbor.com.

Event Amenities

 Elegant Indoor & Outdoor Venues icon

Elegant Indoor & Outdoor Venues

Customized Catering Options icon

Customized Catering Options

Dedicated Event Planning Services icon

Dedicated Event Planning Services

AV Equipment & Support icon

AV Equipment & Support

couple kiss at the alter overlooking the ocean
Say "I Do" by the Sea

Oceanfront Ceremony Lawn

Outdoor Venue
Bay Views

Exchange your vows with the breathtaking backdrop of Frenchman Bay. Our oceanfront ceremony lawn offers sweeping coastal views and gentle breezes. It’s an elegant and naturally stunning setting that transforms your wedding day into an unforgettable seaside moment. 

a formal garden cocktail hour for an elegant coastal wedding in bar harbor
An Enchanting Cocktail Hour

The Willows Mansion Garden

Outdoor Venue
Garden Setting

Surrounded by lush gardens and timeless coastal charm, the Willows Mansion offers an enchanting space for your cocktail hour. Guests mingle beneath towering trees, sip cocktails in the sunshine, and enjoy ocean breezes drifting in from Frenchman Bay. This serene garden setting creates a picture-perfect transition from ceremony to celebration.

A wedding reception with round tables adorned with white cloths, floral centerpieces, and candles
Beautiful Moments, Ballroom Magic

Elegant Bar Harbor Ballroom

6,810 sq. ft.
Flexible Layouts

Just steps from the water’s edge, our renovated Event Center ballroom provides a sophisticated space for dining, dancing, and unforgettable moments. For up to 200 guests, our ballroom features modern finishes, and flexible layouts–a setting as unique as your love story. Enjoy exquisite cuisine, stellar service, and a celebration filled with coastal elegance.

Event Center Capacity Chart

Please note, room capacities vary if AV or Buffet is required

Function RoomRoom SizeSquare Ft.Ceiling HeightTheatreHollow SquareU-ShapeRounds of 10ClassroomBoardroom
Bar Harbor Boardroom40 x 208008'-----14
Hulls Cove37 x 371,3698'120-365040-
Seawall29 x 3395711'6032244032-
Ballroom: Northeast, Southwest, Seal, Bass -6,81012'460208164250308-
Bass Harbor40 x 592,36012'160564480132-
Southwest Harbor34 x 381,29212'8040324032-
Northeast Harbor34 x 451,53012'12048446072-
Seal Harbor37 x 441,62812'10048446060-