Diving on Koh Tao

Lighthouse Bay Dive Site

quiet shallow north/east bay dive with coral, boulders and snorkelling crossover

Overview

  • Best for: beginners, refreshers, DSD in calm conditions, snorkellers and relaxed photographers
  • Not ideal for: depth, wrecks, big fish or dramatic pinnacles
  • Vibe: easy, shallow, quiet and bay-style
  • Must-do or easy local site: nice easy local site

Depth and Certification Level

  • Depth: about 4-14 m
  • Beginners: yes
  • Open Water: yes
  • Advanced Open Water: only non-deep specialties
  • Recommended certification: Open Water or DSD with instructor
  • Guide recommended: recommended

Marine Life and Underwater Scenery

  • Landscape: shallow reef, boulders, rocky shoreline, sand/rubble and coral gardens
  • Common marine life: reef fish, butterflyfish, angelfish, parrotfish, wrasse, rabbitfish, damselfish, fusiliers, snappers, groupers, moray eels, blue-spotted rays and anemonefish, rays and small reef life
  • Special sightings: turtles, sea snakes, cuttlefish, pipefish and occasional blacktips
  • Macro life: moderate
  • Bigger fish: no
  • Coral and reef scenery: pleasant shallow reef scenery
  • Photography: yes, good natural light

Conditions and Hazards

  • Visibility: variable, good when calm
  • Current: usually little to mild
  • Weather sensitivity: north/east swell or rain can make it murky
  • Shelter/exposure: fairly sheltered bay
  • Wind and sea conditions: north/northeast/east swell
  • Hazards: shallow coral, snorkellers, boats, urchins and low visibility
  • Swim-throughs/caves: no major features
  • Wreck penetration: No, unless this is a wreck-specific page. For HTMS Sattakut only, penetration requires proper wreck training, equipment and supervision.

Typical Dive Profile

shallow descent, follow reef/boulder edge, finish near boat

  • Morning/afternoon/full-day: morning
  • Boat time: 20-40 minutes
  • Night diving: possible but not standard
  • Dive schools: yes when conditions suit
  • Busy with boats: usually less than main sites

Courses and Skills

  • Try dives: yes in calm conditions
  • Refreshers: yes
  • Deep dives: no
  • Navigation: basic
  • Buoyancy: yes
  • Specialties: photo, fish ID, naturalist and buoyancy

Local Advice

Lighthouse Bay is a quieter shallow bay-style dive with snorkelling crossover. It can be useful in the right conditions, but it is not a dramatic deep site.

Nearby Paired Sites

Mango Bay, Hin Wong, Laem Thian, Japanese Gardens

Mango Bay Dive Site | Hin Wong Bay Dive Site | Diving in Koh Tao

Local Tips

  • What makes it different: quieter alternative to busier beginner bays
  • Manage expectations: not dramatic
  • Best thing: relaxed uncrowded feel
  • Main downside: can be underwhelming for advanced divers
  • Tip: treat it as a slow shallow reef dive