All Sites

Captain's Mast

Depth: 75' - 100'

Overview

A rocky reef with newly sprouted kelp, medium caves, crevices, shelves, and vertical cliffs up to about 30' tall.

What to See

Nudibranchs, bass, bat rays, sea stars, kelp, caves, crevices, shelves, and vertical cliff structure.

Typical Conditions

Advanced Open Water dive. Water 50-56°F; visibility 15-40'.

History

Natural rocky reef in the Point Loma kelp beds.

Photographed here

Giant spined star at Captain's Mast, May 2025
Giant spined star at Captain's Mast, May 2025 · Photo: Callie Mack
Asteriid sea star at Captain's Mast, May 2025
Asteriid sea star at Captain's Mast, May 2025 · Photo: Callie Mack
Polycera tricolor at Captain's Mast, May 2025
Polycera tricolor at Captain's Mast, May 2025 · Photo: Callie Mack
Three lined aeolid at Captain's Mast, May 2025
Three lined aeolid at Captain's Mast, May 2025 · Photo: Callie Mack
Tritonia festiva at Captain's Mast, May 2025
Tritonia festiva at Captain's Mast, May 2025 · Photo: Callie Mack
Opalescent at Captain's Mast, May 2025
Opalescent at Captain's Mast, May 2025 · Photo: Callie Mack
Rock scallop at Captain's Mast, May 2025
Rock scallop at Captain's Mast, May 2025 · Photo: Callie Mack
Salt and pepper doris at Captain's Mast, May 2025
Salt and pepper doris at Captain's Mast, May 2025 · Photo: Callie Mack

What our divers have photographed at Captain's Mast

10 species and features identified in our own photographs from this site. A record of what has been here, not a promise of what will be: sightings change with season, visibility and luck.

Photographed by Callie Mack, May 2025

Asteriid sea star · Giant spined star · Opalescent · Polycera tricolor · Rock scallop · Salt and pepper doris · Three lined aeolid · Tritonia festiva · Yellow lined cadlina · Yellow spotted cadlina