Following enterprises and other organisations offer services in Ärjänsaari. They have a cooperation agreement with Metsähallitus and they follow the principles of sustainable nature tourism (metsa.fi) when operating in the national park.
Luonnollisesti Oulujärvi Oy (in Finnish, luonnollisesti.fi)
- Transportation to Ärjänsaari
- Guided tours in Ärjänsaari: paddling, fishing tours in summer and winter, hunting tours
- Guided services also in Oulujärvi Hiking Area ja Rokua National Park
- Rental cabins, rental equipment
Löytöretki (loytoretki.net)
- Guided day trips and longer hikes to Ärjänsaari Island and also Nuuksio and Urho Kekkonen national parks.
- The tours include instruction on equipment, meals and transport and accommodation arrangements.
Oulujärven Laiva-Osakeyhtiö, Höyrylaiva S/S Kouta (oulujarviristeilyt.fi)
- Steamboat cruises in Lake Oulujärvi
- Charter cruises
- Terrace restaurant
Upitrek Oy (in Finnish, upitrek.com)
- Guided tours in Ärjänsaari: skiing and snowshoe tours, hiking in summer, cycling and paddling tours