General Info
About Us
Why Snorkel Hawaii?
How Does It Work ?
How to Book a Trip
All Snorkeling Trips
Big Island
Oahu
Maui
Kauai
Most Popular Trips
Captain Cook Monument
Molokini Crater & Turtle Town
Napali Coast
Best Snorkeling Locations
Big Island
Oahu
Maui
Kauai
Best Beaches
Big Island
Oahu
Maui
Kauai
Combo Trips & Packages
Most Popular
Create Your Own
Ports & Harbors
Big Island
Oahu
Maui
Kauai
Book & Guides
Gift Cards
Snorkeling Basics
History of Snorkeling
Snorkeling Basics
Snorkeling Gear
Fins
Snorkel
Masks
Prescription Mask
Should I Buy or Rent?
Sunscreen
Rash Guards
Snorkel Trip Information
Private Trips
Group Trips
What to Bring
FAQs
Worry Free Guarantee
Reservation & Cancellation Policies
Weather, Water & Waves
Weather Conditions
Water Temperature
Wave Size & Direction
Snorkel At Night
Snorkeling Etiquette
Top Snorkeling Tips
Most Common Wildlife Seen
Snorkeling Trips
All Island
Big Island
All Trips
Captain Cook Monument
Oahu
Maui
All Trips
Molokini & Turtle Town
Kauai
All Trips
Napali Coast
Scuba Trips
All Island
Big Island
Oahu
Maui
Kauai
Other Activities
Search For Trip
Ocean Activities
All
Big Island
Oahu
Maui
Kauai
Island Activities
All
Big Island
Oahu
Maui
Kauai
Combo Trips & Deals
Most Popular
Create Your Own
Private Trip
Overnight or Inter-Island
Conservation
Coastal Areas
Hawaii (Big Island)
Oahu
Maui
Kauai
Marine Sanctuaries
Ocean Mammals
Green Turtles
Hawaiian Hawksbill
Manta Rays
Spinner Dolphins
Bottlenose Dolphins
Monk Seal
Humpback Whales
Coral Reefs
Hawaii's Coral Reef Program
Live VS Dead Coral
Artificial Reefs
Rules & Regulated Fishing
Bottom Fishing (All Islands)
Regulated Fishing (Maui)
Regulated Fishing (Oahu)
Regulated Fishing (Kauai)
Regulated Fishing (Hawaii)
NWHIR & Other Areas
Endangered Species
ESA Fact Sheet
Endangered Species Act
Marine Mammals Protection
MMPA Fact Sheet
Marine Mammals Protection Act
NEPA & NOAA Policies
NEPA Statute
NOAA Policy & Procedures
Become a Member
Activity Provider
Become A Member
Why List Your Boat?
Is there a Listing Fee?
Is there a Booking Fee?
Trip Security Deposits
Tips for Listing Your Boat
Customer Doesn’t Show Up
Cancelled Reservations
Sales Agent
Affiliate
Login
Blackrock Boring Urchin
Blackrock Boring Urchin
Echinometra
Blackrock Boring Urchin 
