22 McKinley Court Portland, ME 04109 (207) 805-9836

Located at Diamond Cove on Great Diamond Island, Portland Maine

Managed by:

Portland Harbor Hotel


Banquets & Gatherings

Diamond's Edge is a dynamic event venue on Great Diamond Island overlooking beautiful Casco Bay.  Our high level of service and Island cuisine are sure to impress your guests. We make hosting a corporate outing, elegant wedding or birthday celebration easy to plan!  Please contact Caitlin Euler at 207-523-2005 to book your next successful event at Diamond's Edge or The Portland Harbor Hotel.  

Lobster Bake

Small Functions

Large Functions

Hors D'oeuvres

Bar & Beverage Package
Saturday April 21, 2018