The Spanish water polo championship has been contested since 1912.

The top division is currently known as the División de Honor and consists of twelve clubs.

The current champions (2023–24 season) are CN Atlètic-Barceloneta from Barcelona.

The División de Honor season takes place between October and May, with every team playing each other home and away for a total of 22 matches.

The bottom team in the standings at the end of the season is relegated to Primera División, while the top team from Primera División is promoted.