Lakena is an islet of Nanumeaatoll, Tuvalu. Nanumean traditions describe Lakena as being formed when sand spilled from the baskets of two women, Pai and Vau, when they were forced off Nanumea by Tefolaha, the Tongan warrior who became the ancestor of the people of Nanumea.
The pulaka pits are located on Lakena as the Nanumeans want the main island of Nanumea to remain mosquito free. Pulaka is grown in large pits of composted soil below the water table. During World War II the people of Nanumea moved to Lakena so that the American forces could build and airfield on Nanumea.