In 2021, the Pecos League announced the joining of the Santa Cruz Seaweed in the Pacific Division.

[4] After failing to make the playoffs with a 17–33 record, the club announced in October that it would be relocating to Vallejo due to a number of problems, including scheduling conflicts.

In November of 2023, commissioner Andrew Dunn announced Christian Carmouche as the clubs manager.

After relocating, the Seaweed played their home games at Wilson Park in Vallejo, California.

However, this record was still good enough for a postseason birth, where they lost in the divisional round, 1-2 to the Bakersfield Train Robbers.