Walkthrough: After defeating your fifth Island Trial, you will earn access to Route 11 by heading back to Malie City and working your way south. Route 11 is a small path with Wild Pokemon and Trainers that leads to Route 12.
Wild Pokemon:
Grasses - Daytime (Levels 24-27): Ledian(20%), Pancham(20%), Trumbeak(20%), Gumshoos(20%), Komala(10%), Paras(10%)
SOS Pokemon #1 - Daytime (Levels 24-27): Ledian, Pangoro, Trumbeak, Gumshoos, Komala, Paras
Grasses - Nighttime (Levels 24-27): Ariados(20%), Pancham(20%), Trumbeak(20%), Raticate(20%), Komala(10%), Morlull(10%)
SOS Pokemon #1 - Nighttime (Levels 24-27): Ariados, Pangoro, Trumbeak, Raticate, Komala, Morelull
Zygarde Cells: There is one Zygarde Cell found here.
Trainers:
Youth Athlete Alyssa - Level 27 Herdier
Youth Athlete Sho - Level 27 Fletchinder
Preschooler Hayden - Level 26 Stufful
Black Belt Clayton - Level 28 Hariyama
Items:
TM74 Gyro Ball - Middle of Route Near Bamboo
Quick Ball - Near Black Belt Clayton
Big Mushroom - Grass By Trial Gate
Big Mushroom - Grass Near North Entrance
Tiny Mushroom - Grass By Bamboo
Stardust - Grass Right of North Entrance (Hidden)
Stardust - Middle Patch of Grass (Hidden)