Flame Reef
Santa Cruz Island · Channel Islands National Park · California
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Updated 11:15 PM PT today · September 11, 2026The clarity holds through the day, with a light afternoon onshore the only disturbance to the entry shallows.
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33.986° N · 119.586° W
Channel Islands National Park · California
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Flame Reef is a rocky ridge on the southeast side of Santa Cruz Island, west of Sandstone Point, rising from a sand bottom at about seventy feet to a top around thirty-eight. The structure runs as a single elongated ridge, with crevices and ledges along its length and healthy kelp on the shallower crown. Charter boats work the site as a macro dive, with nudibranchs and small reef invertebrates along the ridge and lobster in the crevices.
The reef sits on the back side of Santa Cruz, in the lee of the prevailing northwest weather, where the kelp grows thicker and the visibility holds longer than on the north side of the island on a building day. The depth band and the current make it an intermediate boat dive.
The bare ridge face and its crevices make Flame Reef a rocky reef biome. Giant kelp anchored on the top of the ridge, growing up through the water column to the surface, adds a kelp forest biome on the shallower crown.
Access is boat only. Charter dive boats run from Ventura, Channel Islands Harbor in Oxnard, and Santa Barbara.
Fishing and spearfishing are legal here under standard California recreational rules. No MPA covers Flame Reef. The Gull Island State Marine Reserve sits to the west on the south-central coast of the island, and Flame Reef lies well outside its boundary.
Rocky Reef
The rocky reef biome is bare rock, boulder, and cobble structure without a kelp canopy above it. The hard relief and its crevices shelter invertebrates and reef fish, and the structure concentrates life that the surrounding sand cannot hold. Learn more about this biome and the species found in it by clicking the link below.
Learn more in the Biome Glossary
Kelp Forest
The kelp forest biome is giant kelp anchored to rocky bottom and growing up through the water column. The canopy and stipes form a three-dimensional habitat that shelters fish, invertebrates, and the predators that hunt them. Learn more about this biome and the species found in it by clicking the link below.
Learn more in the Biome GlossaryTarget Fish Species
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