- For the international version of this level, see Big Wave Beach - Day 23.
- For the level after the v1.8 update, see Big Wave Beach - Day 23 (Chinese version).
Big Wave Beach - Day 23 was the twenty-third level of Big Wave Beach in the Chinese version of Plants vs. Zombies 2. Deep Sea Gargantuar made its first appearance here. After completing this level, the player received a money bag.
- * A gate can be unlocked with a key after completing this level
^ Conjectural name