Onolimbu Island is an island that belongs to the Nias Regency which is located on the eastern side of Nias Island. This island is the closest island that can be reached for 2 hours drive from the center of Gunungsitoli City (75 minutes drive from Gunungsitoli to Tagaule and 45 minutes fishing boat ride from Tagaule to Onolimbu Small Island).

Onolimbu Kecil Island is only ± 200 meters in diameter but has beautiful white sand beaches and coral reefs. Because the island is small, visitors can snorkel / freediving around the island and walk along the island from end to end. Not far from Onolimbu Kecil island there is a shipwreck that is good for being a diving spot.

Besides snorkeling and freediving, visitors can play on the white sand like marble, while fishing. There are 3 islands adjacent to this island, namely Onolimbu, Soma and Somambawa Islands. If lucky, visitors can watch the dolphins flock when visiting this island.