Las Tunas is a kitesurfing spot in the La Unión department, on El Salvador's eastern Pacific coast. This spot offers regular thermal wind conditions with moderate chop on the Pacific Ocean.

Thermal winds blow at 8-18 knots, picking up around 11am until 4pm. Best months are November to June. The spot benefits from northeast winds during the dry season and thermal southwest winds.

The spot suits intermediate riders. The beach is located about 50 km southeast of San Miguel. Water is warm year-round.