Best Time to See Green Sea Turtles in Delaware
August, September and October is the best time to see green sea turtles in Delaware. Based on 3 verified iNaturalist observations, here is exactly when green sea turtles are most active across the year in Delaware.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 10, 2026.
3 verified observations of green sea turtles in Delaware, recorded across 3 months of the year on iNaturalist.
When green sea turtles are recorded in Delaware
Peak month
August
1 records (33.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 0 | 0% |
| May | 0 | 0% |
| June | 0 | 0% |
| July | 0 | 0% |
| Augustpeak | 1 | 33.3% |
| Septemberpeak | 1 | 33.3% |
| Octoberpeak | 1 | 33.3% |
| November | 0 | 0% |
| December | 0 | 0% |
Green Sea Turtles you are most likely to see
| Species | Verified observations |
|---|---|
| Green Sea Turtle | 3 |
Sightings of green sea turtles in Delaware peak in August, when 1 of the year's 3 verified observations are logged — about 33.3% of the annual total. Activity stays high through August, September and October.
The quietest stretch is January, February and March, when green sea turtles are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The green sea turtles you are most likely to encounter in Delaware are Green Sea Turtle — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see green sea turtles in Delaware
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake Bay
- First State National Historical Park — National Historical Park
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
Plan your green sea turtle trip in Delaware
Start with live tours near Captain John Smith Chesapeake National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Captain John Smith Chesapeake National Historic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main green sea turtle viewing area.
Booking.com
Stay nearbyStay near Captain John Smith Chesapeake National Historic Trail
Compare hotels, cabins and lodges close to the best green sea turtle viewing area in Delaware.
Viator
Broader backupBook a green sea turtle tour in Delaware
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
What is the best month to see green sea turtles in Delaware?+
August is the single best month, and the broader peak window runs through August, September and October, based on 3 verified iNaturalist observations.
When are green sea turtles hardest to see in Delaware?+
January is the quietest month for green sea turtles in Delaware, with no verified records on iNaturalist.
Are green sea turtles active year-round in Delaware?+
Green sea turtles are recorded in 3 of 12 months in Delaware, concentrated around August and September.
More wildlife in Delaware