MOSS LANDING ECO TOUR FIELD GUIDE
Silent Catamaran Through a Sea-Otter Realm
A narrated, electric-powered catamaran cruise through Moss Landing’s Elkhorn Slough that lets you watch southern sea otters, sea lions and shorebirds in unusually quiet, low-impact conditions.
Silent Catamaran Through a Sea-Otter Realm.
Adventure brief
Silent Catamaran Through a Sea-Otter Realm
Glide along one of California’s largest tidal waterways aboard an electric-powered catamaran and peer into the reed-lined channels of Elkhorn Slough, where quiet engines and a narrated guide place wildlife — most notably the world’s largest population of southern sea otters — at the center of the trip.
The Elkhorn Slough Tour with Monterey Bay Eco Tours offers an extraordinary opportunity to experience California’s rich coastal wildlife from the comfort of an electric-powered catamaran. Located in Moss Landing, this eco-conscious tour guides guests through the tranquil waters of Elkhorn Slough, home to the world’s largest population of southern sea otters. This narrated journey provides an intimate look at sea lions basking lazily on the shore, herons standing still among the reeds, and, of course, otters playfully floating nearby.
Thanks to the quiet electric boat, the tour minimizes disturbance to wildlife, allowing visitors a rare chance to observe animals in their natural habitat. Participants learn about the critical ecosystem of the slough, local conservation efforts, and the unique behaviors of the resident species. Whether you're a nature enthusiast or just looking for a peaceful outing, the Elkhorn Slough Tour delivers a memorable, educational day surrounded by stunning coastal scenery. The calm waters and slow pace also make this adventure accessible to all ages and fitness levels, ensuring everyone can enjoy a peaceful, wildlife-focused experience.
Route Schematic
Itinerary at a Glance
The trip is a continuous narrated cruise that departs from Moss Landing and follows the main channels of Elkhorn Slough for wildlife viewing and interpretation.
Departure — Moss Landing
Board at the meeting point in Moss Landing and prepare for a scheduled departure; arrive early to check in and use facilities.
Upper Slough Channels
Cruise into the tidal channels where guides scan for foraging and resting sea otters and other shorelife while narrating ecological highlights.
Marsh and Mudflat Views
Pass mudflats and eelgrass beds that drive bird and otter activity, especially notable around low and high tides when different species concentrate in feeding or rafting behavior.
A minimum of eight passengers is required to run the tour; operators can adjust route or schedule as needed and the boat offers stepless boarding on request for accessibility.
Highlights
Outing Highlights
Southern Sea Otters in Numbers and Behavior
Elkhorn Slough supports the largest population of southern sea otters in the world, with a resident population around 100 individuals; on this tour guides regularly point out otters eating, sleeping and foraging throughout the cruise.
A Purpose-Built Electric Catamaran
The tour runs aboard a fully electric, 37-foot catamaran custom built in 2019 so passengers hear the slough and its wildlife without fossil-fueled engines, creating an immersive, low-noise experience.
Tidal Wetland Ecology at Moss Landing
The narrated cruise threads through the peaceful waters of Elkhorn Slough along Highway 1 between Santa Cruz and Monterey, offering views of sea lions, diverse birdlife and the tidal channels that shape this lively wetland.
What the day feels like
What the Cruise Feels Like
This is a relaxed, narrated wildlife cruise: passengers board in Moss Landing, settle onto a stable, enclosed deck and move quietly through the slough’s tidal waterways while guides scan for otters, sea lions and birds and interpret the shifting ecology.
Suitability
Who it's for
Who gets the most from this outing and who should consider alternatives.
Practical planner
Details to review before reserving
Tours run for 1 hour and 30 minutes; arrive at least 20 minutes before the scheduled departure to check in.
Meet at 10932 Clam Way, Moss Landing, CA; the boat departs on schedule.
Dress in layers as coastal weather can change rapidly; bring a camera and binoculars if possible; seasickness worry is minimal because the slough is flat calm and the boat is very stable.
A minimum of eight passengers is required to run the tour; the vessel is USCG-certified, children are allowed, service animals are permitted and a ramp can be provided for wheelchair access.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
What makes this tour different?
The tour operates aboard a fully electric, custom-built catamaran that delivers a quieter, more immersive wildlife experience without fossil-fueled engines.
When is the best time to go?
Anytime is a good time: mornings often offer calmer winds and better light; afternoons may be sunnier but windier; sunset trips give strong light and reduced human activity. Tide timing affects wildlife behavior—low tides often concentrate rafting otters and active shorebird feeding, while high tides can bring pelagic species and active otter feeding.
How early should I arrive?
Arrive at least 20 minutes before departure to check in and use the restroom before boarding.
Are children allowed on board?
Yes; children of all ages are allowed. The vessel is an extremely stable, USCG-certified platform and every person must have a ticket to board.
Are pets allowed?
Service animals are allowed on all trips; non-service pets should be left at home unless you book a private charter.
Is the boat wheelchair accessible?
Yes. A ramp can be set up on request for stepless entry and the open-concept design accommodates passengers of all ages and abilities.
How this guide was prepared
This field guide is synthesized using verified supplier specifications, route descriptions, and destination data. Some booking links may generate affiliate revenue for ADV Guides.
- Verified: 2026-08-07T13:13:42.344Z
Some booking links may generate revenue for ADV Guides or The Adventure Collective.
Availability, pricing, schedules and operating details can change.
Trip details and contextual sources were reviewed by ADV Guides Editorial.