Sonnenberg Gardens & Mansion State Historic Park is a picturesque venue nestled in the Finger Lakes region of New York, perfect for all wedding events, including ceremonies, receptions, rehearsal dinners and showers. Originally built as a summer home in the late 1800s, this 50-acre property has something to offer everyone, with beautiful gardens and a vintage-style mansion with romantic charm. Facilities and Capacity The gardens at Sonnenberg Gardens & Mansion State Historic Park are a perfect outdoor setting for wedding ceremonies and receptions. With multiple ceremony locations and a large reception tent for as many as 250, couples are sure to find a unique venue to make their own.