Culiacan, Mexico is an easy two hour drive from Mazatlan if you take the toll road.
Culiacán (Spanish pronunciation: [kuljaˈkan] is a city in northwestern Mexico. It is the largest city in and the capital of the state of Sinaloa. It had an urban population of 785,800 in 2015 while 905,660 lived in the entire municipality.
The city is located in a valley at the confluence of the Tamazula and Humaya Rivers, where the two meet to form the Culiacán River, 55 m above sea level. It is in the center of the state, at about the same distance to the two other urban centers of the state: Los Mochis to the north and Mazatlán to the south.
Imala's hot springs are about a 30-minute ride from the city and close to several dams and reservoirs, where one can fish largemouth bass all year round.
Altata beach, located 30 minutes from Culiacán, has had extensive development over the last few years. It has a "sister" beach called Isla Cortés or Nuevo Altata, where this project of travel destination, has begun with some restaurants and private areas. It is famous for its blue sea, white sand, modern restaurants and bars, nightclubs, and high sea waves.
The Cathedral, a 19th-century church, began construction in the 1830s.
Plazuela Alvaro Obregón was the place for social gatherings in the 1800s.
La Lomita or Templo de Nuestra Señora de Guadalupe is the tallest church in Culiacán, situated on a hill with a view of the entire city.
The Centro Cultural Genaro Estrada, known by the locals as "Difocur", encompasses a theater, movie theater, a café, and a group of museums specialized in local culture. DIFOCUR is also the home of the Orquesta Sinfonica Sinaloa de las Artes. The OSSLA performs a 42-week season (September to June) of symphony, pops, opera, ballet, and chamber music, and features musicians from more than 15 different countries, including Mexico, the United States, England, Scotland, Canada, Romania, Argentina, and others. Working under the auspices of the government of Sinaloa, the OSSLA also performs many outreach and educational programs around the state of Sinaloa, as well as throughout Mexico.
The Regional History Museum in the "Parque Constitución", a large art museum downtown and a number of small art galleries, is owned by several of the local universities.
The Botanical Garden and Centro de Ciencias de Sinaloa, a science museum, holds the fifth-largest meteorite on earth.
A baseball stadium, the Estadio Angel Flores, is the home of Los Tomateros de Culiacan; a bigger football arena, called Estadio Banorte (formerly Estadio Carlos González), is the home of Los Dorados de Sinaloa, a Mexican football team. Several university stadiums are also available.
In Downtown, the best preserved old street is the calle Rosales, between Rosales square and the Cathedral.
(info above from wikipedia)