Ondina Guesthouse is located in Casais de São Lourenço. Among the various facilities of this property are a garden and a terrace. Free WiFi is available. The private bathroom is equipped with a shower and free toiletries. A continental breakfast is available daily at the property. Sintra is 33 km from the hotel, while Cascais is 45 km from the property. The nearest airport is Humberto Delgado Airport, 52 km from the property.