Lapras Waters: Sparkling, glistening, and luxurious waters is the best way too describe this body of water. Many herds of Lapras have been spotted by tourists. Excellent fishing spot!
Pokemon that can be caught in Lapras Waters:
Goldeen, Marill, Carvanha, Staryu, Chinchou, Clamperl, Lapras. (lvls. 10-15)

Saphby City: There is only two ways to get into Saphby City. If you have a private jet to fly you there, or if your pokemon knows surf. Since this populated area is the only area with people living on the island, they just refer the entire island as Saphby City. Even though it's a city, nobody actually lives here full time. It's basically a whole bunch of beach houses and vacation homes where people stay when they want to get away. Mostly everyone here seems rich.
Pokemon that can be found in Saphby City:
Krabby, Poliwhirl, Kingler, Mawile, Bagon, Dratini. (lvls. 10-20)

Taillow Peninsula: Same geographical field as Swellow, except this is where the Swellow actually breed. Also Taillow Peninisula is located well, on a peninsula.
Pokemon that can be seen around Taillow Peninsula:
Taillow, Spearow, Natu, Sunkern, Spinda, Sandshrew, Mareep, Whismur, Ditto, Teddiursa, Kangaskhan. (lvls. 2-9)