Santa Margarita Ranch AVA

KSTT-FM (104.5 FM, "Coast 104.5") is a commercial radio station that is licensed to Atascadero, California, United States and broadcasts to the San Luis Obispo and Santa Maria—Lompoc, California areas. The station is owned by American General Media and airs a hot adult contemporary format.

KWWV (106.1 FM, "Wild 106.1") is a commercial radio station that is licensed to San Luis Obispo, California. The station is owned by Dimes Media Corporation and broadcasts a Top 40 (CHR) radio format. Programming includes The Wild Wake Up with Doughboy weekday mornings, DJ Flashback weekday afternoons and XYZ with Erik Zachary weeknights, American Top 40 with Ryan Seacrest weekends.

KCPR (91.3 FM) is a non-commercial radio station that is licensed to San Luis Obispo, California. Owned by California Polytechnic State University (Cal Poly) in San Luis Obispo, the station is operated by students from its on-campus studio located in the Graphic Arts building. In addition to its FM broadcast, KCPR streams its programming online 24 hours a day and has established a growing social media audience. KCPR is known for launching the careers of several entertainers and public figures, including musician "Weird Al" Yankovic, comedian Eric Schwartz, and news reporter David Kerley.

KKJG (98.1 FM, "98.1 K-Jug") is a commercial radio station that is licensed to San Luis Obispo, California and broadcasts to the San Luis Obispo County area. The station is owned by American General Media and airs a country music format. The KKJG studios and offices are located on Sacramento Road in San Luis Obispo and its transmitter is off TV Tower Road in Santa Margarita.

KZOZ (93.3 FM) is a commercial radio station that is licensed to and serves San Luis Obispo, California. The station is owned by American General Media and broadcasts a classic rock format.

KESC (99.7 FM) is a non-commercial radio station that is licensed to Morro Bay, California and broadcasts to the San Luis Obispo, California area. The station is owned by the University of Southern California (USC) and rebroadcasts the classical music format of KUSC in Los Angeles.

KMLM-FM (107.3 FM) is a commercial radio station licensed to Grover Beach, California and broadcasting to the San Luis Obispo, California area. The station is owned by Gold Coast Radio LLC and airs a regional Mexican format.

KLFF (89.3 FM, "Family Life Radio 89.3") is a non-commercial radio station that is licensed to and serves San Luis Obispo, California. The station is owned by Family Life Broadcasting and broadcasts the contemporary Christian music format of the nationally syndicated Family Life Radio network.

KSLY (96.1 FM, "K-Love") is a non-commercial radio station that is licensed to San Luis Obispo, California. Owned by Educational Media Foundation, the station carries a contemporary Christian music format from the nationally syndicated K-Love network as of October 16, 2016.

KERW (101.3 FM) is a non-commercial radio station that is licensed to Los Osos-Baywood Park, California and broadcasts to the San Luis Obispo, California area. The public radio station is owned by Santa Monica College and broadcasts an eclectic music format known as "Eclectic 24". The KERW transmitter is located off TV Towers Road on Cuesta Peak in Santa Margarita.

KCBX (90.1 FM) is a non-commercial radio station that is licensed to San Luis Obispo, California. The public radio station is a member station of NPR and airs a wide variety of programming, including All Things Considered, Democracy Now!, and jazz and classical music. KCBX has a network of repeaters and translators that enable the station to be heard throughout the Central Coast of California. Full-power repeaters are KNBX (91.7 FM), licensed to San Ardo, California, and KSBX (89.5 FM) in Santa Barbara, California. KCBX itself broadcasts in HD Radio.

Tunnel Number 6, or the Summit Tunnel, is a railway tunnel between Santa Margarita, California and San Luis Obispo, California. It is the longest tunnel along the Union Pacific Railroad Coast Line at 3,610 feet (1.10 km) in length and is wide enough to carry a single track. The tunnel under the Cuesta Pass represents the highest point along the line at 1,323 feet (403 m) above sea level.The tunnel was constructed between 1893 and 1894 by the Southern Pacific Railroad. It was enlarged between 1940 and 1959. One daily passenger train, the Coast Starlight, operates through the tunnel.