Channel Islands MB2 has been a favourite board of mine. Its old and a bit banged up these days, but i still often surf it. The dims are better suited for a smaller stature surfer like myself and the best conditions would be from waist high to just over head.
Check the link for more info:
https://youtu.be/EZfeSXlApnk
Board dimensions:
5'3 × 18 1/2 × 2 1/8 (21 L)
Brand:
Channel Islands Surfboards
Fin type:
Tri/thruster