At both Panama Canal entrances, Balboa on the Pacific and Colón on the Caribbean, the same ACP rules apply to small craft. Stay out of the fairway and lock approaches, cross only with approval, never operate near or ahead of a transiting ship, and monitor VHF 12 and 16. Flamenco Signal controls Balboa; Cristóbal Signal controls Limón Bay.
The rules at both entrances
The ACP's small-craft notice N-11-2026 covers craft up to 20 m that are not transiting. Its main points apply at Balboa and Colón alike:
- Prohibited areas: the Canal fairway, the approaches to the locks, Gaillard Cut and Miraflores Lake. Crossing the fairway needs prior approval from the Transit Operations Division.
- Transiting ships: small craft shall not be operated near, or cross in front of, transiting vessels.
- Speed and wake: nothing that endangers safety.
- Radio: carry a VHF, monitor 12 and 16, and follow the Port Entry Coordinators at Flamenco and Cristóbal Signal Stations.
- Anchorages: no water sports in operational areas, including the anchorages.
- Alcohol: no operating under the influence.
Fines run from B/.100 for minor offences to B/.1,000,000 for very serious ones. The ACP can revoke an operator's certificate or a craft's permit on the spot, or bar the craft from Canal waters.
Balboa and the Pacific approach, in brief
The buoyed channel runs from the Pacific sea buoy past Isla Flamenco, up the Balboa reach and under the Bridge of the Americas. The Amador causeway is its eastern breakwater. The general merchant and explosives anchorages lie seaward of it. Recreational boating happens on the Amador side, east and south of the causeway.
Small craft may not pass north of the bridge without a Canal pilot or transit advisor aboard. Ships report to Flamenco Signal on channel 12 from 8 nm out, and a boat crossing the channel calls it on 12 first. Everything else is in the Balboa canal entrance guide and the Bahía de Panamá guide.
Colón and Limón Bay
On the Caribbean side, ships enter through the Cristóbal breakwater into Limón Bay, then run south to the Gatún locks or the Colón ports. Ships notify Cristóbal Signal on channel 12 from 8 nm off the breakwater. The harbour notice N-2-2026 names the anchorages: Cristóbal Outer (outside the breakwater), Inner, Delta near the east breakwater, the Inner Explosive anchorage and Anchorage Area C. Keep out of all of them except to pass through on instructions.
The breakwater entrance is the hazard. The ACP's rule is that vessels do not normally meet there; traffic is kept one-way where possible, with Cristóbal Signal setting the order. A small boat should:
- call Cristóbal Signal on 12 before the entrance
- wait for a reply
- go through only when nothing is entering or leaving
Inside, no small craft goes south past buoys 3 and 6 in Limón Bay without a Canal pilot or advisor aboard.
Shelter Bay, the yacht anchorage and the Flats
Shelter Bay Marina is on the west side of the bay, at the old Fort Sherman. Noonsite reports the following (secondary):
- The designated yacht anchorage is inside three yellow markers near the marina entrance.
- Keep at least 90 m off the headland to port on the way in, and follow the green channel markers, because a reef lies just off the entrance.
- The marina is dimly lit, so a night arrival should anchor in the designated area first.
- The old Flats small-craft anchorage, on the east side of the Gatún approach across the shipping lane, is out of service because of construction, and a new area lies on the west side.
Go where Cristóbal Signal assigns you, and confirm the advisor boarding point with your agent. Shelter Bay has no fuel dock. Tides here are under 0.6 m, but dry-season trade-wind swell can make the breakwater rough. See the Shelter Bay Marina page and Portobelo and Colón.
How ships, tugs and pilot boats behave
- Ships cannot stop or turn quickly. A loaded ship needs a long distance to stop, and from its bridge there is a blind zone ahead of the bow. If you can't see the bridge windows, the bridge can't see you.
- Tugs meet ships in the approaches and throw steep wakes. Never pass between a tug and the ship it is attending.
- Pilot boats run fast to and from ships and come alongside at speed. Keep well clear.
- Bunker barges, ferries and work boats cross the anchorages all day.
- At night, ships at anchor are lit up like buildings and can hide a moving vessel. Learn the lights in lights and signals.
An AIS transponder helps ships see you. A radar reflector helps in rain.
Crossing the channel, and working boats
Under the harbour notice, a pilot-exempt vessel crossing the channel needs no pilot, but it must establish communications on channel 12 and keep a watch on it for the whole crossing. In practice:
- call the signal station with your boat name, position and intention
- wait for the reply
- cross at right angles, at steady speed, well astern of traffic
- return to 16 once clear
Tour boats, water taxis and charter tenders working in Canal waters must register annually with the ACP's Office of Maritime Safety. They also need liability insurance, route approval and an ACP-certified operator with an AMP licence; see charter licences and permits. Booking a full transit is a different process; see transiting the canal in a yacht.
Your practical starting checklist
- Download ACP notices N-11 and N-2 for the current year and keep them aboard.
- Monitor VHF 12 and 16 from the dock onwards in Canal waters.
- Plan routes that stay out of the fairway and the ship anchorages.
- Call Flamenco or Cristóbal Signal on 12 before crossing a channel or entering the Cristóbal breakwater.
- Cross at right angles, astern of traffic, never between a tug and its ship.
- Never go north of the Bridge of the Americas or south of buoys 3 and 6 without a Canal pilot or advisor.
Frequently asked questions
Can a small boat enter the Cristóbal breakwater?
Yes, to reach Shelter Bay or the anchorages, but call Cristóbal Signal on channel 12 first. The ACP keeps traffic one-way at the entrance where possible, so wait until it is clear.
What are the Panama Canal rules for small boats?
ACP notice N-11 bars small craft from the fairway, the lock approaches, Gaillard Cut and Miraflores Lake. Crossings need approval, small craft must not operate near or ahead of transiting ships, and VHF 12 and 16 must be monitored. Fines run up to B/.1,000,000.
Where is the Flats anchorage now?
Noonsite reports that the old Flats, east of the Gatún approach, are out of service because of construction, with a new area on the west side. Follow Cristóbal Signal's assignment and your agent's instructions.
Can I fish in the canal anchorages?
No. The anchorages are ACP operational areas where water sports are banned. Fish well outside them.
The next question to answer
The enforcement collection. Read SENAN, the AMP and the rules.
The Pacific side in detail. Read Balboa canal entrance.
COLREGs, speed and no-go zones. Read Boating rules in Panama.
Official resources
Use the relevant Panamanian authority for current requirements and fees. These resources are the next place to check; a practical recommendation is not an agency determination.
- ACP: OP Notice to Shipping N-11-2026, small craft in Canal waters ↗
- ACP: OP Notice to Shipping N-2-2026, Harbor Operations (Cristóbal and Flamenco Signal, anchorages, breakwater) ↗
- ACP: Procedures for securing a handline transit, form 4352 ↗
- ACP: Limón Bay tide table 2026 ↗
- Noonsite: Cristóbal (Colón) docking, Shelter Bay approach and the Flats (secondary) ↗