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10 Types of Marine Life You Can Spot in San Diego


a flock of seagulls are swimming in a body of water

San Diego, known for its stunning coastal landscapes and thriving marine habitats, becomes a hotspot for remarkable wildlife sightings toward the end of December. As the year winds down, the city’s waters come alive with a diverse array of marine and wildlife, offering visitors an incredible opportunity to witness nature’s wonders up close.

San Diego’s coastline hosts a captivating cast of creatures. Here’s a listicle showcasing the fascinating marine and wildlife species that grace San Diego’s waters during this magical time of year:

  1. Gray Whales: December starts the gray whale migration season along the San Diego coastline. Witness these magnificent creatures on their journey from Alaska to Mexico.
  2. Sea Lions: San Diego is home to various colonies of playful and noisy California sea lions, often spotted lounging on rocks or swimming near the shore.
  3. Dolphins: Several dolphin species, including common dolphins and bottlenose dolphins, frequent the waters off San Diego’s coast, offering delightful sightings with their acrobatic displays.
  4. Pelicans: These iconic birds can be seen gracefully gliding above the water or diving headfirst for fish. Brown pelicans often frequent San Diego’s shores.
  5. Leatherback Sea Turtles: While less common, sightings of leatherback sea turtles have been reported along San Diego’s coastline, especially during December.
  6. Seals: Harbor seals are another common sight along San Diego’s beaches. Keep an eye out for these adorable creatures sunbathing on the shores.
  7. Blue Whales: Although less predictable, some lucky visitors may catch a glimpse of the majestic blue whale during December. These are the largest animals on the planet.
  8. Bat Rays: These unique-looking creatures, resembling flying bats, can often be spotted gliding gracefully beneath the surface in the coastal waters.
  9. Sharks: Various shark species inhabit San Diego’s waters, including leopard and thresher sharks. While less frequently seen, they contribute to the diverse marine ecosystem.
  10. Kelp Forest Species: San Diego’s underwater kelp forests are teeming with life. Look out for garibaldi (California’s state marine fish), rockfish, and various colorful invertebrates.

Remember, while these species are often observed in San Diego’s waters during December, wildlife sightings vary based on weather, migration patterns, and specific locations. If you’re planning a visit to spot marine life, consider embarking on a Speed Boat Adventure tour. It’s going to be an adventure to remember!