Agua Hedionda Lagoon

The Claude "Bud" Lewis Carlsbad Desalination Plant is a desalination plant in Carlsbad, California, north of the Encina Power Station. The San Diego County Water Authority (SDCWA), the recipient of the fresh water produced by the plant, calls it "the nation’s largest, most technologically advanced and energy-efficient seawater desalination plant." Opened on December 14, 2015, the entire desalination project cost about $1 billion for the plant, pipelines, and upgrades to existing SDCWA facilities to use the water.

The Encina Power Station (EPS) was a large natural gas and oil-fueled electricity generating plant located in Carlsbad, California, in San Diego County. Constructed in 1954, it was one of the major suppliers of electricity for the region. On December 11, 2018, the plant was put into "retired" status and officially stopped operations. Under an agreement approved by NRG Energy, SDG&E and the City of Carlsbad in January 2014, NRG must tear down the old plant within three years of its retirement. The plant is owned by NRG Energy.

Terramar is located in Carlsbad, California. It is a small oceanfront neighborhood community developed by William Cannon in the 1950s. It has its own Association called the Terramar Association, with a set of rules. The Terramar Association has a quarterly newsletter called the Terramar Tides. Terramar has a number of breaks, but is primarily known as a longboard break. It has private (gated) access to the beach (not all homes in this neighborhood are oceanfront). The beach access consists of a "Deck" that is elevated above the ocean and has benches, tables, BBQ, surfboard rack, and outdoor shower.

Carlsbad State Beach is a protected beach in the state park system of California, United States, located in Carlsbad. It is a San Diego County beach with coastal bluffs. Popular activities include swimming, surfing and bodyboarding several nearby breaks, scuba diving, fishing, and beachcombing. Many visitors camp on the campsites on top of the cliffs. Access to the beach is through the multiple staircases and also one ramp. Amenities include showers, bathrooms, electricity, water, Wi-Fi, and a camp store. There are 220 campsites total. The 44-acre (18 ha) park was established in 1933.

Carlsbad High School is a public high school in Carlsbad, California. As an aftermath of World War II and the subsequent baby boom, Carlsbad's population skyrocketed and there became a sudden need for more schools. In 1955, voters in Oceanside and Carlsbad voted and approved a $1.26 million dollar construction bond that funded the building of Carlsbad's first public high school. Carlsbad High School first opened in 1957 and the high school underwent major redevelopment from 2009 to 2012. In 2010, the API index for the school was 812. Before construction of the high school, most students in Carlsbad went to the combined Oceanside Carlsbad High School, which was founded in 1908. In December 2001, the band No Doubt played a surprise concert at the high school as the first episode of the MTV show "Jammed." Students were not told of the concert until they were dismissed from class for the day. MTV staff worked with school administrators and staff to facilitate the concert between the football field and gymnasium. Governor Arnold Schwarzenegger visited the high school on August 11, 2006 to announce his plans for the future of funding and education in California's schools. On February 19, 2016, the band Echosmith played a concert for the school as part of the State Farm #Drive2N2 campaign. The school won the concert as a result of a safe driving video submitted by the broadcasting department to the contest. The broadcasting department received a $100,000 grant for winning.

The Flower Fields is a flower garden in Carlsbad Ranch in Carlsbad, California. It is open to visitors between March 1st and Mother's Day.The Flower Fields' attractions include its "Tecolote Giant Ranunculus", a greenhouse filled with cymbidium orchids, a 300-by-170-foot American flag made out of red, white, and blue petunias, as well as the Field's "sweet pea maze." The Fields offer Antique Tractor-Wagon rides with tractor-wagons provided by the Antique Gas and Steam Engine Museum of Vista, California. The Flower Fields also hosts a variety of musical and themed events. Past events have included Kid's Day, Bluegrass Day and Zydeco Day.More than 180 volunteers, led by Carlsbad resident Joni Miringoff, lead educational tours of the Fields for both adults and children. In 2015, it was anticipated that there would be more than 7,000 school children visiting the fields on these educational tours.The fields receive 100,000 and 200,000 visitors each year. The fields have been covered by outlets such as CBS News Los Angeles, NBC News 4 Southern California, and The Huffington Post Travel. In 2012, CBS listed it as one of the best places to see Southern California wildflowers.

Legoland California Resort is a theme park, miniature park, and aquarium located in Carlsbad, California, based on the Lego toy brand. Opening on March 20, 1999, it was the first Legoland park to open outside of Europe. The park is currently owned by Merlin Entertainments, which took a controlling interest in 2005. The second park in the United States was in Florida, which opened in 2011. A third park, Legoland New York, opened in May 2021.

Split Pavilion was a public sculpture by the American artist Andrea Blum, located in Carlsbad, California. Installed in 1992, the sculpture was the subject of significant local controversy. It was ultimately removed by the city of Carlsbad in 1999.

Carlsbad Village station is a commuter rail station in Carlsbad, California, that is on the NCTD COASTER commuter rail line. It is one of two COASTER stations in Carlsbad (the other being Carlsbad Poinsettia station about four miles to the south), and is the last station used for northbound COASTER trains before reaching the northern terminus of Oceanside Transit Center. Along with Encinitas station, this is one of two single-track stations on the Coaster line, causing a bottleneck for rail traffic. The 1887-built Carlsbad station, which was used by the Atchison, Topeka and Santa Fe Railway until 1960, is located 0.1 miles (0.16 km) to the south. The former station now serves as the city's visitor center. It was listed on the National Register of Historic Places in 1993 as the Carlsbad Santa Fe Depot.On October 7, 2013, the Amtrak Pacific Surfliner began stopping at four COASTER stations: Carlsbad Village, Carlsbad Poinsettia, Encinitas and Sorrento Valley. The Carlsbad Poinsettia and Encinitas stops were discontinued on October 9, 2017. The Carlsbad Village and Sorrento Valley stops were dropped on October 8, 2018, due to changes with the cross-ticketing arrangement with COASTER and NCTD.

Carlsbad by the Sea (CBTS) is a continuing-care retirement community in the city of Carlsbad, California. It traces its history to the original mineral springs discovered in 1882 that was key in the development of the city. The retirement community was begun in the original Carlsbad Mineral Springs Hotel & Spa which was later demolished and replicated by the current structure. The history of CBTS was commemorated in 1998 by a historical marker at its Carlsbad site.

Jeune et Jolie is a Michelin Guide-starred French restaurant in Carlsbad, California.

Army and Navy Academy is an elite private college-preparatory military boarding school for boys in Carlsbad, California. Founded in 1910, the academy admits boys in grades 7 through 12.