Situated in the old part of Donji Morinj, the 9-room Keystone Apartments features Wi-Fi and complimentary private parking on site. The spacious apartment is about 10 minutes' drive from the 28 mile-long barrier Island of Saint George, a 10-minute ride from Zmajevic Palace, and also only 5 minutes on foot from Unknown.

The accommodation is at a distance of 3.8 km from the Historic Perast Waterfront Museum, which is an excellent place to improve cultural awareness. The centre of Donji Morinj can be reached in a 5-minute walk.

The in-room amenities include soundproof windows, as well as a television with satellite channels, and comforts like air conditioning. The accommodation is also furnished with a sofa set and a work desk. The apartment is equipped with a bathroom that features hair dryers, complimentary toiletries, and bath sheets. Furthermore, a bidet, a walk-in shower, and a separate toilet is available.

Alongside self-catering amenities like a kitchen, the accommodation offers guests a dining area where they can savour their meals. This apartment is designed to provide guests with convenience and relaxation, complete with coffee and tea makers. Mediterranean dishes are served in the seafood restaurant Sutvara, set relatively close to the property. The nearest airport is Tivat, set 15 km from Keystone Apartments. If sport sounds tempting, snorkelling, canoeing, and hiking are offered.