Destination Guide Sources For United States of America

Reference links used to build and maintain this guide.

14 sources • Updated Dec 16, 2025

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Dec 16, 2025.

NOAA National Hurricane Center: hurricane season dates - Official Atlantic and Eastern Pacific hurricane season date ranges for trip planning.
NOAA Fisheries: marine life viewing guidelines and distances - Minimum approach distances for whales, dolphins, seals, sea lions, sea turtles, and species-specific rules.
NOAA National Marine Sanctuaries: Dive Into Your Sanctuaries - Overview of sanctuary dive sites and common regulations such as anchoring and take restrictions.
Florida Keys National Marine Sanctuary: Buoy Program - Mooring buoy system and reef-protection context for boating and diving in the Keys.
Flower Garden Banks National Marine Sanctuary: Regulations

- Sanctuary rules including dive safety requirements and vessel practices.

NOAA National Data Buoy Center (NDBC) - Real-time and historical marine observations (wind, waves, water temperature) to refine daily site selection.

NDBC Historical Data - Station history downloads for planning seasonal patterns in water temperature, wind, and waves.

National Park Service: Entrance passes - Current America the Beautiful pass types and base pricing.

U.S. Department of the Interior: national park access announcement - Policy announcement affecting pass structure and pricing; verify current rules when booking.

Divers Alert Network (DAN): Emergency Assistance - DAN emergency hotline and guidance for diving medical incidents.

Official ESTA application (CBP) - Official portal for Visa Waiver Program travel authorization requirements.

USA.gov: Visa Waiver Program and ESTA - Government overview of VWP and ESTA process and fees; check CBP alerts for recent changes.

CBP Help Center: ESTA fee update - CBP alert page referenced for fee changes; confirm current fee at time of payment.

Hawaii sunscreen ingredient restriction bill text - Legislative text prohibiting sale of certain sunscreen ingredients beginning January 1, 2021.