Captains Mast

Depth: 75' - 100'

Overview

This rocky reef is covered in newly sprouted kelp, tons of nudibranchs and other local characters. The rocky reef structure is AMAZING, with medium sized caves, crevices, huge shelves, and vertical cliffs as large as 30 ft tall. Tons of sea life can be found here.

What to See

Nudibranchs, a variety of bass, bat rays, sea stars and much more. Medium-sized caves, crevices, huge shelves and vertical cliffs up to 30 ft.

Typical Conditions

Visibility 15-40 ft. Water 50-56°F. About 25 min transit. Divable year-round.

Photographed here

Giant spined star at Captain's Mast, May 2025 · Photo: Callie Mack

Asteriid sea star at Captain's Mast, May 2025 · Photo: Callie Mack

Polycera tricolor at Captain's Mast, May 2025 · Photo: Callie Mack

Three lined aeolid at Captain's Mast, May 2025 · Photo: Callie Mack

Tritonia festiva at Captain's Mast, May 2025 · Photo: Callie Mack

Opalescent at Captain's Mast, May 2025 · Photo: Callie Mack

Rock scallop at Captain's Mast, May 2025 · Photo: Callie Mack

Salt and pepper doris at Captain's Mast, May 2025 · Photo: Callie Mack

What our divers have photographed at Captains 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