The league consisted of two phases: a single round of fixtures comprising the regular season, which determined the seedings for the post-season event, the Superfinal, in which the teams then directly contested the league title, with the winners becoming WEBSL champions; both events took place in Portugal.

[1] Russia were defending European champions, having won the final edition of the Women's Euro Beach Soccer Cup in 2019, and successfully retained their European crown by winning the league title, beating England 8–2 in the final.

The numbers in parentheses show the European ranking of each team prior to the start of the season, out of 9 nations.

Awarded for feats achieved in the Superfinal only[2] The following table list the top 10 scorers of the 2021 WEBSL, including goals scored in both the regular and post season events.

Note there are no awards presented for these season-encompassing scoring feats, the tables are for statistical purposes only.