Walkthrough: Konikoni City is a large place with many, many Shops. Captain Mallow and Captain Lana live in this here town, as well as the shop location of Kahuna Olivia. Unfortunately once you arrive, Olivia can't be found in her shop. Instead, her Probopass will pass on the message to head to Memorial Hill in hopes of finding her there. The Happiness Checker and the Volt Tackle Tutor can also be found here.
Trade Pokemon
There is a trainer in Konikoni City that will trade you his Level 22 Poliwhirl with Waterium Z for nothing more than a Zubat.
Zygarde Cells: There is one Zygarde Core and one Zygarde Cell found here.
Trainers (Captain Lana's House):
Preschooler Harper - Level 24 Luvdisc
Preschooler Sarah - Level 24 Corsola
Captain Lana - Level 26 Chinchou, Level 26 Shellder, Level 27 Araquanid
Items:
Max Potion - From Olivia's Probopass
Pikanium Z - Volt Tackle Tutor
Big Pearl - Up Cliffside (Hidden)
TM61 Will-o-wisp - By Lighthouse
Dragon Fang - From Mallow's Father
Heat Scale - Eat At Restaurant
Eviolite - Near Girl And Pikachu
Muscle Band - Defeat Lana
Whipped Dream - From Mallow's Sister (Post Game)
Sachet - From Mallow's Sister (Post Game)
PokeMart (Throughout Game Progression):
Poke Ball - Great Ball - Ultra Ball - Potion - Super Potion - Hyper Potion - Max Potion - Full Restore - Revive - Antidote - Paralyze Heal - Awakening - Burn Heal - Ice Heal - Full Heal - Escape Rope - Repel - Super Repel - Max Repel - Honey - Adrenaline Orb
Incense Vendor:
Sea Incense - Lax Incense - Rose Incense - Pure Incense - Rock Incense - Odd Incense - Luck Incense - Full Incense - Wave Incense
TM Vendor:
TM08 (Bulk Up) - TM09 (Venoshock) - TM32 (Double Team) - TM47 (Low Sweep) - TM65 (Shadow Claw) - TM82 (Dragon Tail)
Herb Vendor:
Heal Powder - Energy Powder - Energy Root - Revival Herb
Fossil Vendors:
Skull Fossil - Cover Fossil - Armor Fossil - Plume Fossil
Jewelry Vendors:
Fire Stone - Thunder Stone - Water Stone - Leaf Stone