next to and west is Arizona
Arizona
Arizona.
Arizonia
Arizona
The Gulf of Mexico is located west of Florida.
New Mexico is the state located directly west of Texas.
New Mexico
Officially named "Toluca de Lerdo", Toluca is the state capital of Mexico State in the country of Mexico. It is located 39 miles (63 kilometers) west-southwest of Mexico City.
Progreso is a port city in the Mexican state of Yucatan. Progreso is located on the Gulf of Mexico, or the north-west part of the state. It is known for its large fishing industry.
The country west of South Texas is Mexico. The state west of Texas is New Mexico.New Mexico is right next to Texas, on the left. Also, Mexico rises up on the west side. If you draw a straight line from the middle of Texas to the west side going
Jalisco, Mexico.
That point is located in Coahuila state in Mexico, about 30 miles south of Saltillo.
Mauna Loa is located on the "big island" (Hawai'i) in the state of Hawaii, which is located in the North Pacific Ocean about 3000 miles west of Mexico.
There is no Gulf possible between the regions as you state them - Mexico is to the west of Florida and therefor there can not be a Gulf WEST of Florida AND north and southern Mexico. Your question makes no sense and thus can not be answered.
19N, 99W is a point in Mexico about 30 miles south of Mexico City.