Festa no Castelo is a party-supplies and celebration-decorations retailer offering products for a wide range of occasions, themes, and seasonal events. Its selection includes balloons in foil, latex, number, Orbz, AirLoonz, and AirWalker styles, along with banners, confetti, curtains, piñatas, candles, photo booth props, and party tableware such as cups, plates, napkins, cutlery, and tablecloths. Customers can also find cake decorations and ingredients, including edible decorations, sugar decorations, and food colouring.

The store’s assortment extends beyond party essentials to toys, backpacks and lunch bags, gifts, plush toys, and key rings. Special-occasion collections cover celebrations such as Easter, Mother’s Day, Valentine’s Day, Carnival, Halloween, New Year, and Christmas, with themed balloons, decorations, costumes, accessories, and table items. Festa no Castelo also offers personalised balloon decorations designed to bring added colour and character to events. Home delivery is available for these decorations; customers are invited to contact the store for further information.