The RV measurement that decides your ferry fare, and why your listing omits it
The ferry roughly doubles the fare for an RV over 7 feet 2 inches tall, and 93% of Seattle listings do not publish a height. Ask the host first.
Read moreGuides
Three Questions That Change What a Trip Costs
Each of these answers one question with a number, not an opinion. Every figure is measured, dated and linked to the page it came from.
- $255.70
- the height nobody publishes
- 20% vs 79%
- trailer against motorhome
- $132.70
- one day either side of 30 September
Worked out, not restated
The Guides
Why a trailer costs less per night and closes more campgrounds
Trailers are the cheapest Seattle rentals and the worst fitting. Only 20% clear Mount Rainier White River, against 63% of Class C motorhomes.
Read more
The San Juans ferry fare falls 26% overnight on 1 October
Peak ferry fares to the San Juans end 30 September 2026. Leaving one day later saves $132.70 round trip on a tall RV under 30 feet.
Read more