- 18Holes
- 68Par
- 17Rated tees
- 18Greens mapped
- 293Contours
- 10.6%Steepest slope
About Sea Golf Rönnäs
Sea Golf Rönnäs is an 18-hole golf course playing to par 68 in Isnäs, Finland. GolfCore has mapped 18 greens here with contour lines and fall-line arrows. The card below lists 17 rated tees with yardages for all 18 holes. GPS yardages and scoring are free in the GolfCore app.
Plan your visit
Ruukinrannantie 4, 07750 Isnäs, Finland
+358 20 7862696
How the greens break
GolfCore traced 18 greens at Sea Golf Rönnäs from 1-meter national lidar elevation data, with 293 elevation contours at a 8-centimeter interval. The steepest measured slope is 10.6 percent, and the largest rise across a single green is 2.08 m.
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
| Hole | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Out |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 3 | 4 | 3 | 5 | 4 | 3 | 4 | 4 | 4 | 34 |
| Hcp | 13 | 3 | 15 | 7 | 1 | 17 | 11 | 9 | 5 |
| Hole | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | In |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 3 | 4 | 3 | 5 | 4 | 3 | 4 | 4 | 4 | 34 |
| Hcp | 14 | 4 | 16 | 8 | 2 | 18 | 12 | 10 | 6 |
Total68
| Hole | Par | Hcp |
|---|---|---|
| 1 | 3 | 13 |
| 2 | 4 | 3 |
| 3 | 3 | 15 |
| 4 | 5 | 7 |
| 5 | 4 | 1 |
| 6 | 3 | 17 |
| 7 | 4 | 11 |
| 8 | 4 | 9 |
| 9 | 4 | 5 |
| Out | 34 | |
| 10 | 3 | 14 |
| 11 | 4 | 4 |
| 12 | 3 | 16 |
| 13 | 5 | 8 |
| 14 | 4 | 2 |
| 15 | 3 | 18 |
| 16 | 4 | 12 |
| 17 | 4 | 10 |
| 18 | 4 | 6 |
| In | 34 | |
| Total | 68 |
Course rating and slope
| Tee | Yards | Par | Rating / Slope |
|---|---|---|---|
| White | 6,688 | 72 | 72.5 / 135 |
| Yellow | 6,185 | 72 | 70.3 / 131 76.2 / 134 (W) |
| Blue | 5,809 | 72 | 68.6 / 127 74.0 / 131 (W) |
| Red | 5,390 | 72 | 66.7 / 123 71.7 / 125 (W) |
| Pink | 4,885 | 72 | 64.2 / 119 68.9 / 119 (W) |
| Easy | 4,358 | 72 | 62.4 / 115 66.0 / 113 (W) |
| Hole | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Out |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 3 | 4 | 3 | 5 | 4 | 3 | 4 | 4 | 4 | 34 |
| Yards | 125 | 366 | 139 | 508 | 415 | 108 | 281 | 311 | 339 | 2,592 |
| Hcp | 13 | 3 | 15 | 7 | 1 | 17 | 11 | 9 | 5 |
| Hole | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | In |
|---|---|---|---|---|---|---|---|---|---|---|
| Par | 3 | 4 | 3 | 5 | 4 | 3 | 4 | 4 | 4 | 34 |
| Yards | 125 | 366 | 139 | 508 | 415 | 108 | 281 | 311 | 339 | 2,592 |
| Hcp | 14 | 4 | 16 | 8 | 2 | 18 | 12 | 10 | 6 |
Total68 Yards5,184
| Hole | Par | Yards | Hcp |
|---|---|---|---|
| 1 | 3 | 125 | 13 |
| 2 | 4 | 366 | 3 |
| 3 | 3 | 139 | 15 |
| 4 | 5 | 508 | 7 |
| 5 | 4 | 415 | 1 |
| 6 | 3 | 108 | 17 |
| 7 | 4 | 281 | 11 |
| 8 | 4 | 311 | 9 |
| 9 | 4 | 339 | 5 |
| Out | 34 | 2,592 | |
| 10 | 3 | 125 | 14 |
| 11 | 4 | 366 | 4 |
| 12 | 3 | 139 | 16 |
| 13 | 5 | 508 | 8 |
| 14 | 4 | 415 | 2 |
| 15 | 3 | 108 | 18 |
| 16 | 4 | 281 | 12 |
| 17 | 4 | 311 | 10 |
| 18 | 4 | 339 | 6 |
| In | 34 | 2,592 | |
| Total | 68 | 5,184 |
Course rating and slope
| Tee | Yards | Par | Rating / Slope |
|---|---|---|---|
| Yellow | 5,194 | 68 | 65.2 / 119 70.6 / 120 (W) |
| Red | 4,438 | 68 | 62.4 / 112 66.4 / 110 (W) |
| Easy | 3,972 | 68 | 60.6 / 109 64.0 / 104 (W) |
Sea Golf Rönnäs plays 2 layouts, each with its own tees. 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
- Isnäs, Finland
- Address
- Ruukinrannantie 4, 07750 Isnäs, Finland
- Phone
- +358 20 7862696
- Website
- seagolf.fi
- Holes
- 18
- Par
- 68
- Layouts
- 2
- Tees on the card
- 17, 17 USGA-rated
- Greens mapped
- 18
- Elevation contours
- 293
- Contour interval
- 8-centimeter
- Largest green elevation span
- 2.08 m
- Steepest measured slope
- 10.6%
- Course map
- Traced hole by hole
- Wind modeling
- Live wind grid, 16 directions
- Tree canopy
- 1-meter canopy height model
- Course data updated
- 2026-10-14
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Staff at Sea Golf Rönnäs 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.