70 Miles of Coast
Your guide to San Diego — beaches, trails,
tide pools, neighborhoods and things to do.

The coast, collected

San Diego Birding: Lagoons, Shorebirds & Coastal Walks

San Diego birding rewards a slower pace. A lagoon edge, a patch of coastal vegetation or a stretch of wet sand can hold more interest than a quick glance suggests. You do not need a long species list to enjoy it. Start by noticing how birds move, feed and use the space around them, then let identification follow.

This collection brings together place guides and wildlife field notes, so you can choose a setting before heading out. A walk with open water views will feel different from a sheltered trail through vegetation. Read the individual guide for access details and official references, and remember that seasonal conditions can change what is visible. No page can guarantee a sighting on a particular visit.

Give birds room to carry on with their day. Stay on designated routes, respect closures and keep clear of resting or nesting wildlife. If a bird changes its behavior because of your approach, move back. A quiet stop with binoculars is often more useful than trying to get a closer phone photograph. Bring water, allow extra time and make the observation, rather than a checklist total, the point of the outing.

The field notes

11 guides · newest updates first

Eastern Side of Batiquitos Lagoon in Encinitas, CA photographed in 2021
Carlsbad

Batiquitos Lagoon Trail Map and Walking Guide

A north-shore lagoon walk with official map sources and clear distinctions between route length, access and reserve rules.

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Two snowy plovers at Estero Bluffs State Park, California
San Diego coast and bay

Snowy Plover Ocean Beach Searches: A San Diego Bird Guide

A small shorebird with a big need for undisturbed sand. Learn what to watch for without approaching nests or resting flocks.

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Brandt's cormorants and sea lions on a rock at La Jolla Cove
San Diego coast

Brandt's Cormorant: A San Diego Coast Identification Guide

Look for a substantial seabird with a hooked bill, diving behavior and a vivid blue throat during breeding season.

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Watercolor illustration of an egret in a Southern California urban tidal marsh; conceptual habitat view, not a site photograph
Point Loma / Ocean Beach

Famosa Slough: San Diego Wetland and Birding Guide

Visit Famosa Slough for an urban wetland walk, birdwatching and salt-marsh habitat, with guidance from the city and local stewards.

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Salt marsh and channels at Los Peñasquitos Lagoon
Los Peñasquitos / San Diego coast

Natural Lagoons in San Diego: Los Peñasquitos and Wetlands

Start with the landscape: coastal lagoons are living wetland systems, not swimming lakes. Los Peñasquitos makes that distinction clear.

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Aerial view of Los Peñasquitos Lagoon and the surrounding coastal landscape
Torrey Pines / Del Mar

Los Penasquitos Lagoon: Preserve and Access Guide

This coastal estuary is a State Marsh Natural Preserve. Plan around permitted edge access rather than assuming a trail circles the lagoon.

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View south over Agua Hedionda Lagoon and its shoreline vegetation
Carlsbad

Agua Hedionda Lagoon Garfield Street Trailhead Guide

How to use the Garfield Street access for the short North Shore Hubbs Trail beside Agua Hedionda’s outer lagoon.

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Wetlands and winding water channels at San Elijo Lagoon
North County / San Diego coast

San Diego Lagoons and Nature Centers: Where to Start

Pick a lagoon for the kind of visit you want: an interpretive center, a shoreline trail or a quiet wetland viewpoint.

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Open water and marsh along San Dieguito Lagoon
Del Mar / San Dieguito Lagoon

Coast to Crest Trail at San Dieguito Lagoon: Walking Guide

The lagoon section is an easy-rated part of a much larger trail system. Use the official map to choose a short out-and-back or a longer wetland walk.

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American coot photographed in the San Elijo Lagoon area
San Diego County

Best San Diego Birding Hotspots on the Coast

Compare coastal San Diego birding hotspots, from Famosa Slough and San Elijo Lagoon to Point Loma and the Tijuana estuary.

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Buena Vista Lagoon and an interpretive marker
Oceanside / Carlsbad

Buena Vista Lagoon: Nature Center and Short Walking Trail

A small nature-center loop provides an introduction to the lagoon. It is not a continuous walk around the entire wetland.

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