Mare Island Golf Club

17 greens at Mare Island in Vallejo, California traced contour by contour, with fall lines, daily pins, and live wind in the GolfCore app.

The course map of Mare Island: fairways, tees, greens, bunkers and water traced hole by hole, the same map the app plays a round on.
  • 18Holes
  • 70Par
  • 17Greens mapped
  • 166Contours
  • 8.9%Steepest slope

About Mare Island

Mare Island Golf Club is an 18-hole golf course playing to par 70 in Vallejo, California. Robin Nelson designed it, and it opened in 1892. GolfCore has mapped 17 greens here with contour lines and fall-line arrows. The card below lists its holes with yardages for all 18 holes. GPS yardages and scoring are free in the GolfCore app.

Plan your visit

1800 Club Drive

+1 (707) 562-4653

Green contour map of Mare Island in Vallejo, California: 166 elevation contours at a 3-inch interval with fall-line arrows, traced from 1-meter lidar
One of 17 mapped greens at Mare Island. Cool colors sit low and warm colors high; white lines are contours at a 3-inch interval, and the arrows point down the fall line.

How the greens break

GolfCore traced 17 greens at Mare Island from USGS 3DEP 1-meter lidar, with 166 elevation contours at a 3-inch interval. The steepest measured slope is 8.9 percent, and the largest rise across a single green is 5.0 ft.

In the app the same map sits under your ball on every green, with the fall line drawn to the hole and the wind modeled at your position. At clubs that run GolfCore, the pins the shop sets each morning show up there too.

The card

5,788 yds · Par 70

Hole 123456789 Out
Par 443454434 35
Yards 351307164288507326369205371 2,888
Hcp 9175151371113
Hole 101112131415161718 In
Par 444444434 35
Yards 321368293360334322368119415 2,900
Hcp 14412168610182

Total70 Yards5,788

Hole Par Yards Hcp
1 4 351 9
2 4 307 17
3 3 164 5
4 4 288 15
5 5 507 13
6 4 326 7
7 4 369 1
8 3 205 11
9 4 371 3
Out 35 2,888
10 4 321 14
11 4 368 4
12 4 293 12
13 4 360 16
14 4 334 8
15 4 322 6
16 4 368 10
17 3 119 18
18 4 415 2
In 35 2,900
Total 70 5,788

Hole data is what GolfCore holds for the course's layout. Picking a tee shows that tee's own yardages, pars and stroke indexes where the club has rated them. Spot a wrong par, yardage or stroke index? Report it from Map Settings in the app, or send us a correction.

Course details

Location
Vallejo, California, United States
Address
1800 Club Drive
Architect
Robin Nelson
Opened
1892
Holes
18
Par
70
Tees on the card
3
Greens mapped
17
Elevation contours
166
Contour interval
3-inch
Largest green elevation span
5.0 ft
Steepest measured slope
8.9%
Course map
Traced hole by hole
Wind modeling
Live wind grid, 16 directions
Tree canopy
1-meter canopy height model
Course data updated
2026-11-10

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Staff at Mare Island can claim this course by signing in with an email address at the club's own domain, then edit its address, phone, website and crest at no charge. Read how a club keeps its course right. The same system runs a club's tee sheet and caddie yard; read how caddie management on GolfCore works.

GolfCore maps courses from public elevation data and is not affiliated with or endorsed by Mare Island.