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Map of Four Mile Island
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IntermediateBoat entry

Four Mile Island

Georgia, United States
Intertidal reef structures (pallet balls, fish aggregating device) lie at 0-3 ft MLW0–1 m depthBoat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

Four Mile Island at a glance

Four Mile Island is an intermediate boat dive site in Georgia, United States with depths of 0–0.9 m (0–3 ft). Typically most favorable Mar–Aug · from 2 years of archive data. Recent reports put the water around 30°C (86°F). Check the latest conditions and entry details before you go.

Marine model · graded 15h ago
0.3 mwaves — under half a meter expected

Tap a factor for its source and model point

Site hazards: Intertidal reef structures (pallet balls, fish aggregating device) lie at 0-3 ft MLW

Read the full hazards ↓

Dive windows this week

Best: Sat
Sat8:00–20:00
Sun8:00–20:00
Mon8:00–20:00
Tue8:00–20:00
Wed8:00–20:00
Thu8:00–20:00
Fri—

Favorable windowModerate window— no window

First light 6:43 · Sunrise 7:07 · Sunset 19:35

Source: Open-Meteo marine · model point 12 km from site · graded 15h ago

Forecast only — always assess conditions on site.

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Best time: Not applicable — this is an intertidal fishing reef, not a dive site, and is effectively undivable.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. Jan100% 0.3 m
  2. Feb100% 0.3 m
  3. Mar100% 0.3 m
  4. Apr100% 0.3 m
  5. May100% 0.3 m
  6. Jun100% 0.3 m
  7. Jul100% 0.3 m
  8. Aug100% 0.3 m
  9. Sep98% 0.4 m
  10. Oct100% 0.4 m
  11. Nov100% 0.3 m
  12. Dec100% 0.3 m

March, April, May, June, July, August, October, November, and December havetypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 1 year of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site

No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.

Fills & rentals nearby

No dive shops mapped within 25 km. Know one? Add it to the map.

Data updated June 2026

Site details

Four Mile Island is a dive site in United States. Maximum depth is around 1 m. The site is reached by boat. Rated intermediate based on available data.

reef

Intertidal reef structures (pallet balls, fish aggregating device) lie at 0-3 ft MLW — at or just below the surface and exposed at low tide — making the site a grounding hazard for boats; it is marked with two pilings. Not suitable for diving.

Reviews

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