Undarius is an adults-only resort for men in Chihuahua, Uruguay, near the country’s only naturist and nudist beach. Owned and operated by its proprietors, the hotel offers a relaxed, welcoming atmosphere for guests travelling alone, as a couple, or with friends. Nudism is optional.

Accommodation includes superior and standard double rooms, as well as a shared room. Depending on the room, amenities include Wi-Fi, air conditioning, a safe, television and a kitchenette or minibar. Daily housekeeping, luggage storage and outdoor parking are also available. Guests can unwind in the garden, use the year-round jacuzzi, or enjoy the solar-heated outdoor pool during its seasonal opening.

The bar and restaurant serve drinks, snacks, lunch and dinner, with a continental breakfast included in direct website bookings. Additional services include massages, laundry and bicycle rental. The resort is well placed for beach visits and nature walks, while Punta del Este is about 15 kilometres away. Undarius welcomes guests aged 18 and over and accepts pets subject to conditions.