Tarratine Club of Dark Harbor

Every green at Tarratine Club of Dark in Islesboro, Maine traced contour by contour, with fall lines, daily pins, and live wind in the GolfCore app.

Tarratine Club of Dark drawn from GolfCore's traced course vectors — fairways, tees, greens, bunkers and water, in the app's own colors. This is the same geometry the app maps a round on.
9Greens Mapped 98Elevation Contours 9.2%Steepest Slope 9Holes 36Par
Green contour map of Tarratine Club of Dark in Islesboro, Maine — 98 elevation contours at a 3-inch interval with fall-line arrows, traced from 1-meter lidar
One of 9 mapped greens at Tarratine Club of Dark, drawn from GolfCore's contour data baked from USGS 3DEP 1-meter lidar, in the same colors the app uses. Elevation bands run cool-low to warm-high; white lines are contours at a 3-inch interval, and dark arrows point down the fall line.

The course, by the numbers

LocationIslesboro, Maine, United States
Address100 Dark Harbor Rd, Islesboro, ME 04846
Phone+1 207-734-6900
Websitetarratine.com
Holes9
Par36
Greens mapped9
Elevation contours98
Contour interval3-inch
Largest green elevation span3.7 ft
Steepest measured slope9.2%
Course mapTraced hole by hole
Wind modelingLive wind grid, 16 directions
Tree canopy1-meter canopy height model
Course data updated2026-08-11

The card

Hole 123456789 Out
Par 444354354 36
Yards 303280424115477317192512322 2,942
Hole Par Yards
1 4 303
2 4 280
3 4 424
4 3 115
5 5 477
6 4 317
7 3 192
8 5 512
9 4 322
Out 36 2,942

Hole data is what GolfCore holds for the course's layout. Clubs correct their own data in the app.

What GolfCore has for Tarratine Club of Dark

GolfCore's library covers Tarratine Club of Dark Harbor green by green: 9 putting surfaces traced with 98 elevation contours from USGS 3DEP 1-meter lidar. The steepest measured slope on these greens tilts at 9.2 percent — the difference between a putt that dies at the hole and one that runs four feet past.

In the app, players and caddies read the same data live on the course: contour bands with fall-line arrows, wind simulated at the player's position, and pin positions that clubs on GolfCore set each morning. Tarratine Club of Dark Harbor is one of more than six thousand courses GolfCore has mapped green by green.

For clubs, the same system runs the tee sheet and the caddie yard — assignments off real tee times, SMS confirmations, and a caddie network that spans every club on the platform. Read how caddie management on GolfCore works.

Courses nearby

Staff at Tarratine Club of Dark can claim this course by signing in with an email address at the club's own domain. That sets the club up on GolfCore with you as an administrator.

GolfCore maps courses from public elevation data and is not affiliated with or endorsed by Tarratine Club of Dark. Represent this club? Request changes or removal through our contact page.