Green Sea Turtle in California: what to know before you start looking

Yes, green sea turtles are found in California, mostly along the southern coast. Start your search near San Diego Bay or the warm-water outfalls of power plants. These turtles are most active from late spring through early fall, so plan your trip accordingly.

T

By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 10, 2026.

Found in CaliforniaPeak season right now
1
species recorded
381
verified records
August, September, July
peak months

Real sighting data, source iNaturalist

528 verified observations on iNaturalist of green sea turtle have been recorded in California, most often in August, September, July.

When green sea turtle are recorded in California

State

California

Animal

Green Sea Turtle

Route

State wildlife guide

Yes, green sea turtles are found in California, mostly along the southern coast. Start your search near San Diego Bay or the warm-water outfalls of power plants. These turtles are most active from late spring through early fall, so plan your trip accordingly.

1. What kind of habitat do green sea turtles prefer in California?

Green sea turtles in California stick to shallow, protected waters with plenty of seagrass and algae. They are most often seen in bays, estuaries, and near warm-water discharges from power plants. The areas around San Diego Bay, especially the South Bay, and the waters off Los Angeles County are reliable spots. Look for them basking at the surface or grazing in eelgrass beds.

2. When is the best timing to see green sea turtles in California?

The best months are June through October when water temperatures are warmest. Turtles are more active and come closer to shore. Early morning and late afternoon are prime viewing times as they feed near the surface. Winter sightings are possible but less common because the turtles may move to deeper, warmer waters or become less active.

3. What is one practical clue for beginners trying to spot them?

Look for a dark, rounded shell breaking the surface, often accompanied by a brief exhale. Green sea turtles surface to breathe every 5 to 10 minutes, so scan calm water for a slow, steady rhythm of head bobs. They also leave a distinctive V-shaped wake when swimming just below the surface.

See ourGreen Sea Turtle trunkfor the next step.

4. How can you distinguish green sea turtles from other sea turtles in California?

Green sea turtles have a smooth, heart-shaped shell that is olive to brown, not patterned like the hawksbill. Their head is small and blunt, and they have two large scales between their eyes (prefrontal scales). The easiest clue: they are the only sea turtle in California that regularly grazes on seagrass, so look for them in vegetated areas.

See ourtour planning ideasfor the next step.

5. Where are the most reliable viewing spots for green sea turtles in California?

San Diego Bay, particularly around the Sweetwater Marsh and the warm-water outflow of the South Bay Power Plant, is a hotspot. Other reliable locations include the Los Angeles Harbor, Anaheim Bay, and the waters off Long Beach. The Bolsa Chica Ecological Reserve in Huntington Beach also has occasional sightings. Check conditions before heading out.

6. What resources can help you plan a green sea turtle trip in California?

Use the widget below to quickly find the best travel options for your green sea turtle search. It pulls together flights, car rentals, and hotels tailored to the state.

7. What to bring and wear for a green sea turtle outing?

Bring polarized sunglasses to cut glare and help spot surface turtles. A lightweight long-sleeved shirt and hat are useful for sun protection. Binoculars (8x or 10x) help you identify turtles at a distance. A waterproof camera or phone case is handy but not essential. For more gear ideas, check out ourguide to wildlife watching essentials.

8. How can you support green sea turtle conservation while exploring?

If you want to carry a reminder of your search, consider these items that give back. TheAlaska Wildlife Magnetssea turtle ceramic tile magnet supports ocean conservation for just $2.50. TheSea Turtle Embroidered Leather Baseball Capis a durable trucker cap with proceeds going to ocean causes. TheCute Animals Compilation Pack Turtle Stickeris a waterproof vinyl sticker perfect for your water bottle. For more, browse ourwildlife shirtsand other turtle-themed merchandise.

Alaska Wildlife Magnets

Sea turtle ceramic tile magnet. Supports ocean conservation.Check Price and Availability

Sea Turtle Embroidered Leather Baseball Cap

Embroidered sea turtle trucker cap. Portion of proceeds supports ocean conservation.Check Price and Availability

Cute Animals Compilation Pack ( Buy Large Or Medium In A Sticker) Turtle Sticker

Save the Sea Turtle vinyl sticker. Waterproof, perfect for water bottles and laptops. Portion supports ocean conservation.Check Price and Availability

9. Frequently asked questions about green sea turtles in California

**Are green sea turtles endangered in California?** Yes, they are listed as threatened under the Endangered Species Act in California waters. **How big do they get?** Adults can reach 3 to 4 feet in length and weigh 300 to 400 pounds. **Can you swim with them?** It is illegal to approach or harass them. Maintain at least 50 feet distance. **Do they nest on California beaches?** No, nesting occurs only in Mexico and other tropical regions. **What do they eat?** Primarily seagrass and algae, but also jellyfish and invertebrates. For more on their biology, visit ourgreen sea turtle animal page.

Plan your tripAlcatraz Island

Plan your green sea turtle trip in California

Start with live tours near Alcatraz Island, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Plan your trip

Best time to see green sea turtle in California: August, September, July

See the month-by-month sighting calendar.

When to go

Plan your green sea turtle sighting in California

381 verified green sea turtle records have been logged in California, most recently in 2026. See the GBIF records.

Where to look in California

Planning a trip to see green sea turtle? Find places to stay near Alcatraz Island on Booking.com.

Frequently asked questions

1. What kind of habitat do green sea turtles prefer in California?+

Green sea turtles in California stick to shallow, protected waters with plenty of seagrass and algae. They are most often seen in bays, estuaries, and near warm-water discharges from power plants. The areas around San Diego Bay, especially the South Bay, and the waters off Los Angeles County are reliable spots. Look for them basking at the surface or grazing in eelgrass beds.

2. When is the best timing to see green sea turtles in California?+

The best months are June through October when water temperatures are warmest. Turtles are more active and come closer to shore. Early morning and late afternoon are prime viewing times as they feed near the surface. Winter sightings are possible but less common because the turtles may move to deeper, warmer waters or become less active.

3. What is one practical clue for beginners trying to spot them?+

Look for a dark, rounded shell breaking the surface, often accompanied by a brief exhale. Green sea turtles surface to breathe every 5 to 10 minutes, so scan calm water for a slow, steady rhythm of head bobs. They also leave a distinctive V-shaped wake when swimming just below the surface. See ourGreen Sea Turtle trunkfor the next step.

4. How can you distinguish green sea turtles from other sea turtles in California?+

Green sea turtles have a smooth, heart-shaped shell that is olive to brown, not patterned like the hawksbill. Their head is small and blunt, and they have two large scales between their eyes (prefrontal scales). The easiest clue: they are the only sea turtle in California that regularly grazes on seagrass, so look for them in vegetated areas. See ourtour planning ideasfor the next step.

5. Where are the most reliable viewing spots for green sea turtles in California?+

San Diego Bay, particularly around the Sweetwater Marsh and the warm-water outflow of the South Bay Power Plant, is a hotspot. Other reliable locations include the Los Angeles Harbor, Anaheim Bay, and the waters off Long Beach. The Bolsa Chica Ecological Reserve in Huntington Beach also has occasional sightings. Check conditions before heading out.

6. What resources can help you plan a green sea turtle trip in California?+

Use the widget below to quickly find the best travel options for your green sea turtle search. It pulls together flights, car rentals, and hotels tailored to the state.

7. What to bring and wear for a green sea turtle outing?+

Bring polarized sunglasses to cut glare and help spot surface turtles. A lightweight long-sleeved shirt and hat are useful for sun protection. Binoculars (8x or 10x) help you identify turtles at a distance. A waterproof camera or phone case is handy but not essential. For more gear ideas, check out ourguide to wildlife watching essentials.

8. How can you support green sea turtle conservation while exploring?+

If you want to carry a reminder of your search, consider these items that give back. TheAlaska Wildlife Magnetssea turtle ceramic tile magnet supports ocean conservation for just $2.50. TheSea Turtle Embroidered Leather Baseball Capis a durable trucker cap with proceeds going to ocean causes. TheCute Animals Compilation Pack Turtle Stickeris a waterproof vinyl sticker perfect for your water bottle. For more, browse ourwildlife shirtsand other turtle-themed merchandise. ### Alaska Wildlife Magnets Sea turtle ceramic tile magnet. Supports ocean conservation.Check Price and Availability ### Sea Turtle Embroidered Leather Baseball Cap Embroidered sea turtle trucker cap. Portion of proceeds supports ocean conservation.Check Price and Availability ### Cute Animals Compilation Pack ( Buy Large Or Medium In A Sticker) Turtle Sticker Save the Sea Turtle vinyl sticker. Waterproof, perfect for water bottles and laptops. Portion supports ocean conservation.Check Price and Availability