Keystone Harbor Marina
Mannford, Oklahoma
Loading map...
Keystone Harbor Marina is a public boat ramp located near Mannford. Rated 4.6/5 by 621 visitors on Google. GPS coordinates: 36.1328, -96.3391.
Location Details
1989 CrossTimbers Harbor Ln, Mannford, OK 74044, USA
GPS: 36.1328, -96.3391
About Keystone Harbor Marina
Keystone Harbor Marina is a public boat ramp located in Mannford, Oklahoma, providing access to Keystone Lake. This launch site is used by local boaters, anglers, and outdoor enthusiasts and is well-regarded by visitors. GPS coordinates for navigation are 36.1328, -96.3391.
Based on 621 Google reviews, Keystone Harbor Marina has earned a 4.6/5 star rating. Visitors consistently praise this location as a solid launch point.
What to Know Before You Go
- ✓ Oklahoma requires all motorized boats to be registered before launching at any public ramp.
- ✓ Most public boat ramps in Oklahoma are first-come, first-served — arrive early on weekends and holidays.
- ✓ Always check local water conditions and weather forecasts before heading to Keystone Harbor Marina.
- ✓ Practice good ramp etiquette: prep your boat in the parking area, not on the ramp.
Boating in Oklahoma
Oklahoma offers 469 boat ramps across the state, making it home to a solid selection of boat launches. Whether you're fishing, skiing, or just cruising, Oklahoma has something for every boater. Browse all 469 boat ramps in Oklahoma.
Related Guide
What Size Truck to Tow a Boat
GVWR, towing capacity, and tongue weight explained. Boat weights by size and truck class recommendations from mid-size to one-ton. The 20% safety margin rule.
Read the full guide →Nearby Cities with Boat Ramps
Heading to the ramp? Don't forget:
Frequently Asked Questions
Where is Keystone Harbor Marina located?
How do I get directions to Keystone Harbor Marina?
What is the rating for Keystone Harbor Marina?
Boating Tips & Guides
The 7 Best Bass Fishing Lakes in Oklahoma (2026 Guide)
From Grand Lake to Broken Bow — the top Oklahoma lakes for largemouth, smallmouth, and spotted bass.
Read More →GuidePublic vs Private Boat Ramps: What's the Difference?
Cost, access, amenities, maintenance, and crowding — everything you need to know about public vs private boat ramps.
Read More →Your Business Deserves a 24/7 Employee
CLETUS is the AI chat and voice agent that never sleeps, never calls in sick, and costs less than $1/day.
Try it now — click the chat bubble in the corner to see CLETUS in action →
Nearby Ramps
People Also Search For
Manage or operate this ramp?
Claim your listing free, or upgrade to Featured for priority placement, photos, a customer message form, and a monthly performance report. See pricing.