Stayokay Heemskerk (Slot Assumburg) in Castricum

Set in a 13th-century castle, the casual hostel is a 9-minute walk from a bus stop, a 10-minute walk from tennis courts at Heemskerkse Tennis Vereniging Assumburg and 3 km from WWII artifacts at Luchtoorlogmuseum Fort Veldhuis.The mixed-gender dorms sleep up to 9 guests, and provide free Wi-Fi, bunk beds and en suite bathrooms. Private rooms are also available.Freebies include parking and a breakfast buffet. Other amenities consist of a restaurant and a bar, plus medieval-style dining rooms, and communal areas with wood-beam ceilings and candle chandeliers. There's also a furnished courtyard. Lockers and bike rentals are available.