Southern California's coast stretches from San Diego in the south to Malibu in the north, although the northern border is not clearly defined. Most guidebooks include San Diego County, Orange County, and Los Angeles County. That's more than 150 miles of stunning coastline, with a mix of sandy beaches, rugged cliffs, calm bays, and wave-tossed shores.

Some beachgoers seek secluded spots, while others prefer activity, people-watching, and access to restaurants, rentals, and facilities. Here, we've selected a variety of the region's offerings, along with a few suggestions of where to stay if you're planning a road trip or local staycation.

Pillowy sand, tide pools, convenient facilities, and a dog-friendly section make San Diego's Coronado Beach popular. Set away from the rest of the city by the overwater Coronado Bridge, the island has a shoreline of sparkling, seemingly gold-flecked sand. Bring your pooch along and let it run around off-leash at the top of the beach, nearest to the North Island U.S. Naval Station. And if you're looking to spend the night, luxury awaits you at the historic "Del" (aka Hotel del Coronado). The sprawling hotel — a complex, really, separated into "villages" — provides oceanfront accommodations with a side of SoCal nostalgia.

This beach area has something for everyone: kayaking, paddleboarding, kitesurfing, fishing, and, of course, swimming and surfing. Mission Bay Park, 15 minutes from central San Diego, spans 4,235 acres and has been billed as the biggest non-natural aquatic park in the U.S. It includes a section for water skiing, wave running, Jet Skiing, and sailing. On land, paths around the bay are ideal for skating, bicycling, and walking. Mission Bay Resort, just steps from the beach, offers an enormous outdoor pool, tennis courts, a spa, and waterfront dining.

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The coastline curves perfectly around this La Jolla beach, making it a refuge for sea lions and snorkelers alike. The marine reserve offers stunning scenery comprising seaside cliffs and verdant vegetation, and the village gives a glimpse of what's to come further up the coast — i.e., upscale shopping, refined dining, and other hallmarks of high-end OC-esque lifestyles. One of the biggest draws to La Jolla Cove is the sparkling blue water, often called the clearest in Southern California. Be sure to go during low tide because the beach is pretty narrow and likely to be submerged otherwise.

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Coastal bluffs, green hills, and rugged cliffs set the strikingly beautiful scene along Carlsbad's shores. Though beaches are small, set apart by seawalls, steep steps tend to keep crowds away. South Carlsbad State Beach offers gentle waves for surfing, swimming, scuba diving, and fishing, as well as restroom and shower facilities. Overnight camping is available here, but the more luxurious Park Hyatt Aviara Resort, a 10-minute drive away, grants access to a golf course, spa, and elegant dining.

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Doheny State Beach in Dana Point was California's first state beach, made public in 1931. It's more than a mile long and offers some of the best swimming, surfing, and tide pooling around. On dry land, beachgoers can play volleyball at one of the public courts, hike the San Juan Creek Trail, or grab a frozen margarita from the Doho Cafe and bask in the salty breeze. The state park has picnic areas aplenty and serves as a campground; however, those who prefer more upscale accommodations will find a number of resorts perched right on the sand.

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The water at Treasure Island Beach has a sandy, rock-free bottom, making it a prime spot for swimming. This cove becomes Aliso Beach Park at the south end, but stick to the north side if you want a little more peace and quiet plus some epic scenery created by the towering palm-topped cliffs that surround it. When you work up an appetite, head up to the Mosaic Bar and Grille, part of the Montage Laguna Beach, which co-manages the beach with the city. Order a Mai Tai and the poke bowl to have on the ocean-facing patio.

An artsy town and craggy hills overlook the Pacific in Laguna Beach, where an array of desert flora often meets the sand. The beaches here characteristically curl around the ocean and create protected coves ideal for diving and snorkeling. Diver's Cove is one of Southern California's best beaches for underwater viewing. It's also right next to beautiful Heisler Park, where you can barbecue, play a game of lawn bowling, walk through impeccably manicured gardens, admire the public art, and look out over the marine refuge.

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Surfers flock to the Balboa Peninsula in Newport Beach for big waves at "The Wedge," where 30-foot swells crash on the tip of the peninsula. Meanwhile, families go to enjoy the Balboa Fun Zone amusement park, where they find ocean views and vintage rides. The peninsula stretches about three miles, and the side facing the ocean is all beach (the other side is all harbor). Along the white sand are stunning homes to admire, all kinds of restaurants for refueling, bars, hotels, and more. The centerpiece of the beach side is the Balboa Pier, around which you can rent bikes, grab an ice cream, let the kids loose at the play area, and take advantage of public restrooms and showers.

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Known as Surf City USA, Huntington Beach is home to a pier and lively downtown area, plus a dog beach and surfing competitions throughout the year. Needless to say, it can get quite crowded at the peak of tourism season, so those in the know tend to escape to Huntington State Beach, about two miles south of the pier. The state beach spans 121 acres and features ball courts, nature trails, bonfire rings, and two miles of coast ideal for surfing, swimming, fishing, and sunbathing. It's also heaven for birders. Located across from a 114-acre wetland reserve, it's home to elusive and endangered species such as the California least tern.

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Who knew Southern California could be so... Mediterranean? On the Avalon side of Catalina Island, you'll feel like you've been transported to a European seaport via an hour-long ferry ride from LA. Hotels and shops ascend the dusty hills and wrap around a yacht-dotted harbor. There's the public beach, then there's Descanso, a private beach club where you can rent a cabana and sip Veuve Clicquot like an A-lister. DJs liven up the beach bar on Saturdays in the summer. Descanso Beach is within walking distance of the town and costs just $2 to get in.

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It can be tough to find a spot of sand in LA County that isn't jam-packed with families or large groups of twentysomethings, but Hermosa remains relatively quiet compared to its neighbors. In any case, the beach, with its extensive pier and ample opportunities for fishing and surfing, is just one reason to love Hermosa. There's also the lively town, home to the Lighthouse Cafe, known for its jazz brunch, and the iconic Hermosa Beach Comedy and Magic Club, where comedy greats from Jay Leno to Jerry Seinfeld have been known to pop in.

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Adjacent to Hermosa Beach, this South Bay oceanfront town has a historic pier featuring the free-entry Roundhouse Aquarium, which houses more than 100 marine animals along with educational exhibits. Popular with swimmers, surfers, and sunbathers, the main beach is set along The Strand, a bike path that winds from South Bay to Pacific Palisades. In town, shops, restaurants, and pubs provide lots to do when your beach time is done. And if you're looking for a place to stay, the Westdrift Manhattan Beach is conveniently located to both LAX airport and the beach.

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Ocean Front Walk — a 2.5-mile boardwalk featuring vendors, street performers, eateries, and stores — is a Venice highlight. You can rent a beach cruiser steps from the boardwalk and pedal through the chaos or grab an ice cream and souvenir-shop hop. The beach also has a skate park, basketball courts, and the iconic Muscle Beach outdoor gym. Modeled after Italy's Venice, this part of the Los Angeles coast boasts a web of canals and bridges ideal for strolling and admiring houses. Hotel Erwin, situated just steps from the beach, offers tasty bites and sensational views from its rooftop lounge.

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Santa Monica's three-mile sandy shore is split by the city's historic pier, home to amusement park rides, a Ferris wheel, a vintage carousel, arcade games, eateries, fishing, and more. The beach around it offers swimming, surfing, volleyball, exercise equipment, a bike path, and convenient facilities. Meanwhile, the walkable downtown area features upscale dining and shopping. For a more locals-only atmosphere (and easier parking), head south of downtown to the stretch of beach parallel to Main Street.

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Drive through Malibu on the Pacific Coast Highway and you'll likely see a line of old-school Volkswagen buses and sun-bleached bangers with surfboards strapped to their roofs parked just north of the pier. It's technically called Malibu Lagoon State Beach, named after the wildlife-rich lagoon that stretches inland from the sea, but the locals call it Surfrider Beach because of its iconic swells. Even if you aren't drawn to the sport, it's fun to watch the locals, not to mention the century-old Malibu Pier is a short walk away and has a regionally renowned brunch.

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Farther north along the PCH is one of Southern California's most beautiful and famous beaches. You might recognize the soaring cliffs of Point Dume from "Planet of the Apes" or "The Big Lebowski." In real life, they're popular among local rock climbers. Whether or not you plan to scale the oceanfront walls, you can walk to the top of them — amid a sea of wildflowers if you go in the spring. The top offers a great vantage point for spotting sunbathing sea lions and whales in the water.

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The scenery gets arguably even more dramatic the farther north you go. Near the top of Malibu, El Matador State Beach has some of the most impressive rock formations on the Pacific Coast. Columnar features rise from the water, and arches large enough to walk under jut out from cave-dotted sea cliffs, making this beach the most beautiful in Southern California, according to some. Birds love this secluded little pocket about as much as the average sunbather, but beware there is one minor barrier to entry: To get down to the beach, you have to descend quite a few stairs.