Ali Larter and Hayes MacArthur chose Kennebunkport, Maine, for their wedding due to its charming coastal scenery and intimate atmosphere. This picturesque town is known for its beautiful beaches and historic architecture, making it a popular destination for weddings. The couple likely sought a location that offered both a romantic setting and a sense of privacy, which Kennebunkport provides. Additionally, Maine's natural beauty adds a unique touch to any wedding ceremony, enhancing the overall experience for the couple and their guests.