Foster Lake is a 1,220-acre reservoir on the South Santiam River at Foster, just east of Sweet Home in Linn County, about 3.5 miles long when full.
We rent MasterCraft wakesurf boats, Sea-Doo jet skis and water toys on Foster Lake, and everything is ready for you at the lake. Add a captained charter with lessons for every level.
It's kept full for summer recreation and drawn down for flood control in winter, with a marina near Sweet Home and Green Peter Lake just upstream.
Boat, jet ski and water toy rentals at Foster Lake
No truck or trailer needed: everything you rent is ready and waiting at Foster Lake.
- Wakesurf and ski boat rentals – MasterCraft boats seating 10 to 18, set up for a full day of surfing, skiing and tubing on Foster Lake.
- Sea-Doo jet ski rentals – quick, easy-to-ride watercraft for exploring every cove of Foster Lake.
- Captained charters – sit back and enjoy Foster Lake while our captain drives, or learn to wakesurf with one-on-one coaching.
- Water toys – tubes, lily pads, water trampolines, paddle boards and more to keep the whole group busy.
Book Now or call or text 1-888-594-6610 – we answer 7 a.m.–10 p.m. every day.
Foster Lake at a glance
| Location | Linn County, Oregon |
|---|---|
| Size | About 1,220 acres |
| Length | About 3.5 miles |
| River | South Santiam River |
| Marina | Foster Lake marina |
| Nearby | Sweet Home, Green Peter Lake |
Best things to do on Foster Lake
- Water skiing – a longtime local ski lake.
- Wakesurfing – calm summer mornings.
- Jet skiing – laps around the lake.
- Camping – parks along the shore.
Where to launch at Foster Lake
- Public ramps – ramps and the marina near Sweet Home.
Summer weekends are busy, so start early. Your rental from us is ready at the lake.
Tips for a great day on Foster Lake
- Mornings are calmest for surfing.
- Jet skis stay slow-no-wake within 200 feet of shore in Oregon.
- Towing is allowed from sunrise to sunset in Oregon.
Oregon boating rules to know
- Every boat needs a wearable life jacket for each person on board. Children 12 and under must wear one on an open deck while the boat is underway, and anyone being towed must wear one.
- When towing a skier, wakeboarder or tuber, an observer must watch the rider, a skier-down flag goes up when the rider is in the water, and towing is only allowed from sunrise to sunset.
- Jet skis must stay at slow-no wake speed within 200 feet of the shoreline on lakes and reservoirs (except for safe take-offs and landings) and can’t ride within 200 feet directly behind a towed rider.
- Slow-no wake is required within 200 feet of boat ramps, marinas, moorages, swimmers and anyone working at the water’s edge.
Map of Foster Lake
Foster Lake rental & boating FAQ
What can I rent at Foster Lake?
Premium MasterCraft surf and ski boats, Sea-Doo jet skis, tubes, lily pads and paddle boards, and captained boat tours with lessons.
Do I have to tow the boat to Foster Lake myself?
No. Your rental is ready for you at Foster Lake, so you don't need a truck or trailer.
Where is Foster Lake?
At Foster, just east of Sweet Home in Linn County, Oregon.
Can you jet ski on Foster Lake?
Yes. Jet skiing, waterskiing, wakeboarding and wakesurfing are all popular on Foster Lake.
How big is Foster Lake?
About 1,220 acres when full.
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