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Methodology

How we research diving and snorkeling options in Thailand.

Our Editorial Philosophy

The right dive depends on your certification, the season and the coast. We compare options using cited sources, then explain the trade-offs.

How We Rank Options

Recommendations consider these criteria and explain their limits:

  1. 1

    Level fit

    Match sites, courses and trips to the certification and experience they require.

  2. 2

    Season

    Distinguish the months a park or coast is open and at its best from the rest of the year.

  3. 3

    Scope

    Check what a trip or course includes: dives, equipment, park fees, transfers and certification.

  4. 4

    Evidence

    Cite factual claims and identify unsupported or uncertain details.

What We Don't Rank By

Understanding what we explicitly exclude matters for trust.

  • ✗Affiliate commission rates
  • ✗Paid placement
  • ✗Invented dives
  • ✗Guaranteed sightings

Where Our Data Comes From

Our recommendations synthesize multiple signal types. We prioritize signals in this order:

  1. 1. National parks and authorities

    Park seasons, fees, closures and rules

  2. 2. Training agencies and dive centers

    Course standards, schedules and what a trip includes

  3. 3. Attributed reporting

    Published context with an identifiable source and date

Handling Uncertainty

When a source doesn't confirm a detail, the guide says so and points you to the operator or park page to check. We'd rather be clear about what is published than guess.

Read our editorial policy for the scope and limits of article review.