Adria Sun is a travel agency based in the town of Krk, serving visitors looking for a holiday stay on the island of Krk, Croatia. Its website allows guests to search and book accommodation online, with options including villas, holiday homes, apartments, studio apartments, rooms, hotels and mobile homes. Listings are located in Krk and other island communities, including Malinska, Punat, Porat, Vrh, Brzac and Risika.

Guests can filter their search by location, accommodation type, facilities, number of rooms, guest capacity and proximity to the beach or town centre. Travellers who need help choosing a stay can contact the agency for a tailored offer. Adria Sun also arranges full-day and half-day excursions by boat and bus.

Trips include visits to nearby islands such as Rab and Pag, tours around Krk, and bus excursions to Plitvice Lakes. Visitors can book excursions online or directly through the agency. The site also shares information and news about local attractions, events, beaches and island experiences