Dive site · access from Atauro Island & the Dili Coast (Ombai Strait)
Tasi Tolu
Shore entry onto sand and seagrass, then a silty slope.
- Depth
- 5–20m
- Current
- Mild
- Minimum level
- Open water
- Access
- Shore
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The case for it
Why dive here
- Timor-Leste's main muck site: shallow coral reef onto a dark silty slope to about 20m
- Seahorses and photographer-oriented macro on the sand
- Seagrass in the shallows
Check before booking
What may rule it out
- Conditions can change. Confirm depth, current and access with a local operator.
Access and timing
Plan this through Atauro Island & the Dili Coast (Ombai Strait)
Best overall months: Jun, Jul, Aug, Sep, Oct, Nov. Check the destination planner for operating season, wildlife and other matching sites.
Wildlife
Seen around Atauro Island & the Dili Coast (Ombai Strait)
rareoccasionalcommonly seenpeak seasondestination closed
These are destination-level records, not confirmed sightings at Tasi Tolu.
Blue whale
| Month | Likelihood |
|---|---|
| January | not seen |
| February | not seen |
| March | not seen |
| April | not seen |
| May | not seen |
| June | not seen |
| July | not seen |
| August | not seen |
| September | occasional |
| October | peak season |
| November | peak season |
| December | occasional |
Reef manta ray
| Month | Likelihood |
|---|---|
| January | rare |
| February | rare |
| March | rare |
| April | rare |
| May | rare |
| June | rare |
| July | rare |
| August | rare |
| September | rare |
| October | rare |
| November | rare |
| December | rare |
Bumphead parrotfish
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Hawksbill turtle
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Sperm whale
| Month | Likelihood |
|---|---|
| January | rare |
| February | rare |
| March | rare |
| April | rare |
| May | rare |
| June | rare |
| July | rare |
| August | rare |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Nearby alternatives
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Sources & last checked
Checked August 2026
Research is source-backed, but conditions and fees should still be confirmed locally.
View 2 sources and checking notes
- Diving in East Timor, Wikivoyage
- Diving Timor-Leste, Diveplanit
Note on the data: Coordinates are approximate; not surveyed dive-site GPS.