San Diego · Harbor Island · Year-round since 2006
Big Whales.
Small Boats.
Fast, custom military RIBs out of Harbor Island — small groups, 360° views, and whales and dolphins at arm's reach. An ocean wildlife safari, not a cattle-boat cruise.
We chase wildlife, not guarantees. Tours run rain or shine — the ocean decides what shows up.
Re-imagine whale watching
Why a small fast boat beats a big slow one
The fastest tour boats in San Diego
Twin Yamahas, 50+ mph. We cover more water, so we find more wildlife — and we coordinate with the other boats to chase the action.
Arm's-reach proximity
360° views and a front-row seat from every seat. Dolphins ride our pressure wave; whales come to us.
Less seasickness
The low-profile RIB hull sits close to the water and rides soft — it greatly reduces seasickness. Antihistamines onboard if you need them.
The ethical approach
We don't chase or crowd the animals. We let them come to us — smaller, quieter motors, more respect, better viewing.
Year-round, captain-led
We run all year, and you get real one-on-one captain time — fun facts, spotting, the whole nerdy story.
Choose your adventure
Eight ways onto the water
From our flagship public safari to private islands off Baja and custom charters — every tour gets its own page with the honest details, pricing, and policies.
Whale Watching
Public Whale Watching
A 2.5–3 hr ocean wildlife safari on a shared boat — whales, dolphins, sea lions, and pelagic birds. Min age 4.
Private Whale Watching
The whole boat to yourselves, 2.5–3 hrs. We run more than one boat for larger groups — just call.
Bay & Island
San Diego Bay Tour
Private 2-hr cruise past the Coronado Bridge, USS Midway, Star of India, Point Loma, and the West Coast's largest Navy port.
Mexico Island Ecotour
Private 4-hr run ~14 mi offshore to Los Coronados: elephant-seal & brown-booby rookeries, sea caves, Smuggler's Cove.
Charters & Services
Custom Private Charters
If you can dream it on the water, we can probably run it. Priced by duration, travel, and staffing.
Photo & Video Support
A stable, quiet, fast marine platform and a crew that's worked major productions.
Security & Transportation
Water-taxi, regatta/event security, crew transport, marine research support, location scouting.
Gift Certificates
Give the gift of a day on the water — redeem any time of year. (Non-refundable.)
What's out there right now
The season makes the show
It starts with krill, then the bait fish, then the giants follow. San Diego is one of the rare spots with wildlife year-round — but the cast changes with the calendar. Here's the honest rhythm.
Winter
Dec – Feb
Gray, Humpback & Fin whales; Pacific White-Sided & Common dolphins; sea lions and harbor seals.
Spring
Mar – May
Gray & Humpback whales; Pacific White-Sided, Common & Bottlenose dolphins; sea lions and harbor seals.
Summer
Jun – Aug
Blue, Fin, Humpback & Bryde's whales; Common, Bottlenose & Risso dolphins.
Fall
Sep – Nov
Humpback & Minke whales; Common & Bottlenose dolphins; mola-mola sunfish; sea lions and harbor seals.
These are the wildlife we typically see each season — not a promise. They're wild animals on a wild ocean; some days are quiet, and some days a single fin whale turns into five circling the boat.
The right way to watch
Let them come to you
We don't chase, crowd, or corner the animals. We cut the motors, keep our distance, and let the curiosity run the other way — and the whales prefer us for it. The calmer the animal, the better the encounter.
It goes further than viewing. We run environmentally conscious trips, we teach conservation on the water, and we pull trash — mostly mylar balloons — out of the ocean on nearly every tour. When you book with us, part of that goes toward keeping this ocean worth visiting.
"Let them come to you" is our approach ethic on every trip, not a slogan. The balloon cleanups are real and ongoing.
The boats
Custom military RIBs, built to find whales
Our boats are custom-built Military Rigid Inflatable Boats — decommissioned military patrol RIBs purchased from the Navy and rebuilt for whale watching. Twin Yamaha outboards push them past 50 mph, so we can cover serious water and get you to the wildlife while it's still happening.
The rigid fiberglass hull wrapped in inflatable pontoons makes them remarkably stable — and tough to flip or sink. Custom bench seats, a Bluetooth sound system, and a low profile that keeps seasickness at bay.
The operator's own account is that the boats came from Navy SEAL Team 1 in San Diego. We describe them here as what's independently confirmed: decommissioned military RIBs, bought from the Navy and rebuilt for tours.
Meet your captains
The ones who actually find the whales
You're not on a loudspeaker tour. You get real one-on-one time with a captain who loves this — fun facts, the taxonomy if you want it, and an eye trained on the horizon for the next blow.

Captain Rick
Reads the water, spots whales at distance, and finds the multiple pods.

Captain Kyle ("Captain K")
The enthusiast — he'll teach you more cetacean trivia than you asked for, and writes most of what you read on our feed.

Captain Sam
A relentless, knowledgeable wildlife searcher.

Captain Bree
Keeps you on top of the weather and makes the whole trip better.
"Whether it's your first whale tail or your hundredth, the feeling stays the same."— Captain K
Every tour is run by U.S. Coast Guard-licensed captains, trained in marine-mammal viewing protocols.
The real thing
No stock photos. Just our ocean.
Every shot here is from our own trips — the wildlife, the boats, the crew, the San Diego coast. This is what arm's-reach actually looks like.








All imagery is from our own tours — no stock, no AI.
What guests say
Don't take our word for it
(260+ photos, updated May 2026)
year-round whale watching
“A wonderful 3-hour guided whale and dolphin watching tour with Captain Kyle — he made us feel safe and comfortable, and we saw a plethora of wildlife, including a gray whale.”
“The captain had us lean over the boat to watch the dolphins swim right underneath us. A once-in-a-lifetime experience.”
“Do this adventure when you're in San Diego, regardless of age or adventure level. Seeing wildlife isn't guaranteed — but the boat ride across the ocean is worth the trip alone.”
Real review excerpts pulled from public Tripadvisor listings (June 2026). Read more on Yelp.
Before you book
The honest answers
Plan a private trip
Tell us what you're dreaming up
Private whale watching, a bay cruise, the Mexico islands, a film shoot, or something custom — send us the date, time, and what you have in mind and we'll build it. For anything inside 48 hours, just call.
Pacific Marine Research LLC
1380 Harbor Island Drive, San Diego, CA 92101
(619) 808-2822 · info@sd.tours
Tours by reservation. We return calls within 24 hours; messages answered within 3–5 days.