conferences & conventions

Maine’s #1 Convention and Meetings Hotel

Holiday Inn Portland – By The Bay is the largest hotel and convention center in the State of Maine with over 30,000 sq. ft. of flexible meeting space and 239 remodeled guest rooms.  

Our guest rooms

At Holiday Inn Portland – By the Bay, every one of our 239 remodeled guest rooms is designed with your comfort and convenience in mind. Our modern accommodations blend sleek, contemporary decor with a touch of coastal charm, creating a relaxing retreat in the heart of Portland, Maine.

function space

Explore our 30,000 SF of Meeting Space including our recently renovated 10,500 SF Grand Ballroom which boasts cutting edge, fully built-in Audio-Visual capabilities and can be divided into up to five separate spaces. Our 12,500 SF Casco Bay Hall can be used as an Exhibit Hall or as flexible space for meals or programming. We offer a further eight Break-Out rooms to round out your agenda.

state of maine grand ballroom

casco bay HALl

Break out rooms

Pre-function space

Lobby & Convention hall level layout

Lobby & Convention hall level capacity chart

ROOM DIMENSIONS

ROOM CAPACITY (# PEOPLE)

Function RoomsSizeSq. Ft.Ceiling
Height
RoundsTheaterClassroomCrescent RoundsHollow Square
State of Maine Grand Ballroom70' x 152'10,96814'6001200600420N/A
Connecticut35' x 35'1,22514'4080503030
Rhode Island35' x 35'1,22514'4080503030
Connecticut & Rhode Island35' x 70'2,45014'1002001006054
Vermont50' x 70'3,50014'20040020012060
New Hampshire50' x 70'3,50014'20040020012060
Massachusetts1,24814'72125504230

Casco bay hall layout

Accommodates 72 8′ x 10′ tables or 91 8′ x 8′ booths with an enclosed loading / unloading entrance available.

2nd floor function rooms layout

2nd floor function rooms capacity chart

ROOM DIMENSIONS

ROOM CAPACITY (# PEOPLE)

Function RoomsSizeSq. Ft.Ceiling
Height
RoundsTheaterClassroomCrescent RoundsHollow Square
Cumberland24' x 52'4328'3260242424
Kennebec18' x 24'4328'3260242424
Lincoln18' x 24'4328'3260242424
Oxford20' x 25'5008'3265242424
Somerset20' x 36'7208'4085243630
York22' x 24'5288'3260242420
Board Room16' x 24'3848'8-10 people8-10 people8-10 people8-10 people8-10 people