Maintop Island Suggest edit

United States Suggest · California Suggest

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IntermediateDifficulty

IntermediateRecommended cert

30Max dive depth

30.0 mSite max depth

5.0–15.0 mVisibility

MildCurrent

ModerateSurge

45 minAvg dive time

June to OctoberBest months

12.0–17.0 °CWater (summer)

9.0–14.0 °CWater (winter)

Overview

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Maintop Island is a small, rocky island located off the coast of San Francisco, California. It is known for its diverse marine life and underwater landscapes, making it a popular dive site for both recreational and experienced divers.

Diving at Maintop Island offers opportunities to explore kelp forests, rocky reefs, and various marine species. The underwater visibility can vary significantly, and divers may encounter sea lions, schools of fish, and other marine life.

Conditions

Visibility: 5.0–15.0 m Suggest edit
Currents: Mild Suggest edit
Surge: Moderate Suggest edit
Water temp (summer): 12.0–17.0 °C Suggest edit
Water temp (winter): 9.0–14.0 °C Suggest edit

Logistics

Entry: Boat Suggest edit
Permits required: No Suggest edit
Bottom types:
rocky sandy kelp Suggest edit

Photo tips

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Best lighting during midday, focus on marine life interactions.

Location

Underwater Moments at Maintop Island

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Important safety note

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The information has been compiled with the utmost care but may contain errors. Always do your own research and consult local dive operators/centers.