Every Southern California boater has a Catalina story. The island sits there on the horizon — 22 miles of mountains rising out of the Pacific — close enough to see from the coast on a clear day, far enough offshore to feel like a genuine expedition. Ask around any marina and you’ll hear the same thing: the first crossing to Catalina is the trip that turns a boat owner into a boater.
If you’ve never made the run, this guide is for you. Here’s how the crossing actually works — the distances, the fuel math, how to pick your weather window, and what happens when you arrive — written for boaters launching from Newport Beach and San Diego.
Why Catalina is the signature SoCal trip
Catalina is the only Channel Island with real towns, real restaurants, and real infrastructure for visiting boaters. Avalon, on the island’s east end, is a proper little waterfront city — shops, dining, the landmark Casino building, and a harbor full of moorings. Two Harbors, at the island’s west end (the Isthmus), is the quieter, wilder alternative: a general store, a couple of restaurants, and hundreds of moorings tucked into coves.
Unlike a harbor cruise or a day of fishing, Catalina demands a little seamanship: an open-ocean crossing, a weather call, and a mooring pickup. That’s exactly why it’s the trip. And it’s why it pays to do it first with proper training under your belt — our members complete hands-on, NSBC-certified instruction before their first solo outing, so the crossing isn’t anyone’s first time at the helm. (More on that in our boating lessons guide.)
The two jumping-off points: Newport Beach and San Diego
Newport Beach is the natural Catalina launch point. From Newport Harbor to Avalon is roughly 26 nautical miles across open water — about 1½ to 2½ hours by powerboat in decent conditions. It’s the shortest hop from anywhere on the Southern California coast, which is why most Catalina regulars launch from the Newport/Long Beach area.
Here’s the part many of our San Diego members don’t realize at first: you can boat out of either location. Your membership covers both marinas, so San Diego members routinely drive up and launch the Catalina run from Newport Beach — same fleet, same reservation system, much shorter crossing. Two marinas, one membership; pick your adventure.
From San Diego, it’s a bigger commitment. San Diego Bay to Avalon runs roughly 65–75 nautical miles depending on where you start — figure about 3½ hours of open water at a comfortable 20-knot cruise, each way. Very doable as a long weekend, but it’s an expedition, not a day trip. (The Catalina Flyer ferry makes the Newport–Avalon run in about 75 minutes, for a sense of the distance.)
| Route | Distance | Typical powerboat crossing |
|---|---|---|
| Newport Harbor → Avalon | ~26 nm | 1½–2½ hours |
| San Diego Bay → Avalon | ~65–75 nm | ~3½ hours |
Fuel planning: the rule of thirds
The crossing is straightforward, but it’s open ocean — there’s no fuel dock halfway. The old rule still applies: a third of your fuel to get there, a third to get home, and a third in reserve. Before you leave the harbor, know your boat’s real-world fuel burn at cruising speed, do the math for the round trip, and confirm the numbers with our dock team if you’re unsure. Running the Newport–Avalon leg uses a fraction of most boats’ range; the San Diego run deserves a careful calculation and a topped-off tank.
One more thing worth knowing: Two Harbors has a fuel dock (gas, diesel, and water available year-round), so a west-end itinerary can include a refuel stop. Avalon is the destination, not the fuel strategy — plan to arrive with plenty in the tanks.
Picking your weather window
The Catalina channel is exposed Pacific. On a calm morning it’s glass; when the afternoon breeze builds against the swell, it can get lumpy fast. For a first crossing:
- Check the NOAA marine forecast the morning of — not just the weather app, the actual marine zone forecast with wind speed, swell height, and period.
- Leave early. Mornings are typically the calmest part of the day in the channel; the ride home is usually rougher than the ride over.
- Set a go/no-go standard before you leave the dock — and honor it. There’s no shame in a harbor day. The island isn’t going anywhere.
- File a float plan. Tell someone ashore where you’re going and when you expect to arrive.
If conditions look marginal, the right move is to wait. Experienced Catalina hands will tell you the same thing: the crossing rewards patience and punishes bravado.
Arriving: Avalon vs. Two Harbors
Avalon is the classic first-timer destination — the harbor, the town, the restaurants, the whole postcard. Two Harbors is the quieter west-end anchorage for boaters who want coves and stars over nightlife. Many first-timers do Avalon on trip one and graduate to the Isthmus later. (We’ll cover both in detail — including dock-and-dine and weekend itineraries — in upcoming articles in this series.)
Mooring basics (the short version)
You don’t anchor in Avalon Harbor — you pick up a mooring. The system is simpler than it looks:
- Avalon is first-come, first-served. There are no reservations. Wait just outside the harbor and the Harbor Patrol boat will come meet you, assign a mooring, and take payment. They’re on VHF channel 9 around the clock, and they’re genuinely happy to talk a first-timer through the pickup.
- Moorings are assigned by boat size, and fees are based on your vessel’s actual length — set by the City of Avalon and paid before you head ashore.
- Summer weekends sell out. If you’re crossing on a Friday in July, get there early or have a backup plan.
- Two Harbors works differently: moorings at the west end can be reserved — availability for the weekend is released online every Thursday at midnight, and you confirm your assignment with the Two Harbors Harbor Department on VHF 9 when you arrive.
That’s the 30,000-foot view. Our dedicated Catalina mooring guide — covering pickup technique, the west-end coves, anchoring rules, and check-out procedures — is coming next in this series.
What to bring
- Dinghy or a plan to get ashore. No dinghy? Avalon’s shore boat runs between the moorings and town.
- Cash or card for mooring fees, plus the harbor office and patrol numbers saved in your phone.
- Layers. It’s always cooler on the water and on the island than it is inland.
- Provisions. Avalon has real grocery and dining options; Two Harbors has a general store — plan accordingly.
- Seasickness remedies if anyone in your crew is prone. Take them before you leave the harbor.
- Your California Boater Card — required for every motorized-vessel operator in California.
Who this trip is for
The Catalina crossing suits any trained boater with a seaworthy boat and a weather window — which describes most of our members after training. It’s an ideal second or third outing: you’ve got your boat-handling fundamentals down, and now you get to use them on a real passage. Our team helps members plan the trip — route, fuel, mooring expectations — because an owner-led club means there’s always someone at the dock who’s made the run themselves.
If you can handle a busy Saturday in San Diego Bay, you can handle a calm-morning Catalina crossing. The difference is just distance, planning, and the best arrival view in Southern California.
Frequently Asked Questions
How long does it take to boat from Newport Beach to Catalina?
About 1½ to 2½ hours each way by powerboat in decent conditions — it’s roughly 26 nautical miles from Newport Harbor to Avalon. The Catalina Flyer ferry covers the same route in about 75 minutes.
How far is Catalina from San Diego by boat?
Roughly 65–75 nautical miles from San Diego Bay to Avalon, depending on your starting point — about 3½ hours of open water at a 20-knot cruise. That’s why many San Diego boaters launch the Catalina run from our Newport Beach marina instead: same membership, much shorter crossing.
Do I need a reservation for a mooring at Catalina?
At Avalon: no — moorings are first-come, first-served, assigned by the Harbor Patrol when you arrive (VHF 9). At Two Harbors on the island’s west end: yes, you can — and should — reserve online, with weekend availability released every Thursday at midnight.
Can you anchor at Catalina Island instead of taking a mooring?
In Avalon Harbor, no — it’s moorings only. Around Two Harbors, anchoring is permitted outside the mooring areas at your own risk. The island gets deep fast, so most visiting boaters take a mooring.
Do I need special training to take a club boat to Catalina?
You need to be a trained, checked-out member — which every one of our members is. Our NSBC-certified instructors make sure you’re confident at the helm before your first solo outing, and our dock team will help you plan the route, fuel, and mooring details for your first crossing.
Ready to make the crossing? Our fleet is maintained, fueled, and waiting at two marinas — Point Loma and Newport Beach. Call (619) 488-6630 and we’ll help you plan your first Catalina trip.
Sources: Catalina Island — Boating to Catalina · Avalon Harbor info · Tips on mooring at Catalina · San Diego–Catalina distances