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RV camping at San Juan Islands

A vehicle ferry crossing calm water between forested islands

The peak Anacortes to Friday Harbor fare for a vehicle under 30 ft over 7'2" is $256.75 one way. The median Seattle rental is $199.95 per night.

Price the crossing before the rental on any San Juans trip, and stay longer to amortise it. A two-night San Juans trip spends more on the ferry than on the vehicle.

Published length limits

Campground length limits and hookups at San Juan Islands
CampgroundRVTrailerHookups
Moran State Park, Orcas IslandWashington State Parks states a 45 ft maximum site length with limited availability, no electrical hookup sites, and that Mount Constitution Road is not accessible to large trailers or motor homes.45 ftNot statedNone stated

Where a limit reads "Not stated", the National Park Service page does not publish one for that campground. We have not filled it in.

Getting there

RVs that actually fit San Juan Islands

Filtered against this destination's own tightest published cap: 45 ft for a motorhome. Of 48 live listings scanned, these clear it.

Booking links go to Outdoorsy, where the host sets the price and the terms. We earn a commission on a qualifying booking, at no extra cost to you. We are not the rental company and we do not handle bookings, payment or delivery.

  • 2019 Thor Four Winds 22E, easy to drive, free parking, convenient location, a c for rent near Seattle

    2019 Thor Four Winds 22E, easy to drive, free parking, convenient location

    Length
    24 ft
    Height
    Not published, ask the host
    Sleeps
    6
    Delivery
    Offered by the host
    See it on Outdoorsy
  • Luxury 2BR RV | Self-Tow or Delivery & Full Setup, a trailer for rent near Seattle

    Luxury 2BR RV | Self-Tow or Delivery & Full Setup

    Length
    38 ft
    Height
    Not published, ask the host
    Sleeps
    9
    Delivery
    Offered by the host
    See it on Outdoorsy
  • Forest River R-POD RP-202, a trailer for rent near Seattle

    Forest River R-POD RP-202

    Length
    25 ft
    Height
    Not published, ask the host
    Sleeps
    4
    Delivery
    Offered by the host
    See it on Outdoorsy
  • 26’ comfortable travel trailer, a trailer for rent near Seattle

    26’ comfortable travel trailer

    Length
    26 ft
    Height
    Not published, ask the host
    Sleeps
    5
    Delivery
    Offered by the host
    See it on Outdoorsy
  • Winnebago Roam 59RZPT | Open-Concept PopTop w/Starlink/2Beds/Seats4/Sleeps4, a b for rent near Seattle

    Winnebago Roam 59RZPT | Open-Concept PopTop w/Starlink/2Beds/Seats4/Sleeps4

    Length
    21 ft
    Height
    Not published, ask the host
    Sleeps
    4
    Delivery
    Offered by the host
    See it on Outdoorsy
  • 25 ft Seats / Sleeps 5, comfortable all amenities Class C RV, a c for rent near Seattle

    25 ft Seats / Sleeps 5, comfortable all amenities Class C RV

    Length
    24 ft
    Height
    Not published, ask the host
    Sleeps
    5
    Delivery
    Offered by the host
    See it on Outdoorsy

Only 33 of 473 Seattle listings publish an exterior height, so these are filtered on length alone. Ask the host for height before any trip involving a ferry.

Which rental suits it

The tightest published cap at San Juan Islands is 45 feet for a motorhome. On median length, 5 of 5 classes clear it: camper van at 19 ft, class b motorhome at 20 ft, travel trailer at 24 ft, class c motorhome at 25 ft, class a motorhome at 32 ft.

How this was measured. Compared the round-trip crossing at $513.50 against the median nightly rental rate, which showed the ferry alone costs more than two and a half nights of the RV. $513.50 round trip, against a $399.90 two-night rental. The transport outweighs the accommodation. Measured September 5, 2026. Sources: WSF fares, Anacortes to Friday Harbor, Moran State Park, Outdoorsy live search, Seattle 50mi. Park limits and closures change without notice.

Not sure what fits?

Send us the dates and the destination. We will come back with rentals whose published length clears the campground, and what the ferry charges to carry them.