Princess By Mom Boutique 214 E Main St, Port Jefferson, NY11777 A children's specialty shop located on East Main Street, the Princess By Mom Boutique offers hundreds of items for your…More little princess or prince. The shop is known for its uniqueness and style -- it carries clothes and accessories you can't find anywhere else. Gift items may also be purchased through the website. Join Princess By Mom every weekend in October for the store's anniversary celebration. You can meet the designers of some of the one-of-a-kind clothing and accessories.