Luonnonmaa

{{Short description|Island in Naantali, Finland}}

Luonnonmaa is an island in Southwest Finland. The island is in the Finnish Archipelago Sea (Finnish: Saaristomeri) region of the Baltic Sea, and located in the southernmost part of Finnish territorial waters. With an area of 44.0 square kilometers (17.0 sq mi),{{Cite web |title=Q441100 |url=https://www.wikidata.org/wiki/Q441100 |access-date=2025-03-10 |website=www.wikidata.org |language=en}} Luonnonmaa is one the tens of thousands of islands, islets, and skerries that constitute the Finnish Archipelago.

File:SS Ukkopekka Kultaranta 1.jpg, part of the municipality of Naantali, Finland. Kultaranta is the towered structure in the distance. In the foreground is the steamship S/S Ukkopekka.]]Luonnonmaa is part of the municipality of Naantali, a summer resort town of around 20,000 people{{Cite web |date=2025-01-23 |title=Population increased most in Uusimaa in 2024 {{!}} Statistics Finland |url=https://stat.fi/en/publication/cm0njtpitjj3a08w3km79kf4k |access-date=2025-03-10 |website=stat.fi |language=en}} and major tourism destination located within the Turku metropolitan area.{{Cite web |title=Naantali – a gateway to the archipelago {{!}} Baltic Rim Economies |url=https://sites.utu.fi/bre/naantali-a-gateway-to-the-archipelago/ |access-date=2025-03-10 |website=sites.utu.fi}} Naantali proper consists of a mainland portion in addition to approximately 1,000 islands, of which Luonnonmaa is the largest. Luonnonmaa forms most of Naantali's area but has only a fraction of its permanent population.{{Citation needed|date=March 2025}}

Luonnonmaa is home to Kultaranta, the official summer residence of the President of Finland.{{Cite web |title=Kultaranta |url=https://www.presidentti.fi/presidentin-toimi/virka-asunnot/kultaranta/ |access-date=2025-03-10 |website=Presidentti |language=fi}}