The buildings in Kirigakure no Sato are located in the main city of Kiri. Here is where the Mizukage's office is located and here are other main buildings.
The Land of Water is one of the most major villages of food and water traiding. For this a boat station is needed for exportation and importation of materials. The main boat station resides in the main city.
This is where all the students of Kirigakure come to learn all basic techniques and take exams to become Genin. At the end of the year, a tournament is held where Academy Student's are pitted against eachother for a battle to the "death". The winner will be granted the rank of Genin.
This place is located in the only trees and grass area of the Main City. Part of it has some logs and trees to train. Most Kirigakure Jounin take their students to train near the ocean so they can get used to water and develop Water Jutsus.
Here is the place were monuments of all Mizukage's are held. Here they show all the Kage's. Just a few weeks ago, the body of Hashi Hyuuga, the fifth Mizukage was carved into the monument. Unlike in Konoha, they are not in mountains, instead they are complete body sized statues located near the shallow ocean floor.
The main city is filled with comercials. One of the most famous things are the restaurants. There are many of them, fish restaurants, ramen restaurants, etc