Marina is a medium-sized coastal city (i.e. on the ocean, a bay, or inlet) located in the state of California. With a population of 22,503 people and six associated neighborhoods, Marina is the 301st largest community in California.

Housing costs in Marina are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in California.

Also of interest is that Marina has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in Marina telecommute to their jobs. Overall, about 9.62% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Because there are quite a few people attending college in Marina, it is thought of as a college town. To the benefit of the many students in the area, Marina provides a number of services, amenities and opportunities geared towards their needs and activities.

Marina is also nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Such areas are often places that visitors and locals go for waterfront activities or taking in the scenery.

The overall education level of Marina citizens is substantially higher than the typical US community, as 33.87% of adults in Marina have at least a bachelor's degree, and the average American community has 21.84%.

The per capita income in Marina in 2018 was $38,806, which is middle income relative to California, and upper middle income relative to the rest of the US. This equates to an annual income of $155,224 for a family of four. However, Marina contains both very wealthy and poor people as well.

Marina is an extremely ethnically-diverse city. The people who call Marina home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Marina residents report their race to be White, followed by Asian. Marina also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 29.41% of the city’s residents. Important ancestries of people in Marina include German, Irish, English, Italian, and European.

Foreign born people are also an important part of Marina's cultural character, accounting for 22.32% of the city’s population.

The most common language spoken in Marina is English. Other important languages spoken here include Spanish and Tagalog.