Field Guides/Gananoque/Sailing & Boating
Strong
Best WindowMay through October; cruise and charter peak July and August
Variantsyacht-boat-charter · motor-boating
RegionGananoque, Ontario

Sailing & Boating.

The Gananoque Municipal Marina at 21 Bay Road is the primary Canadian-side launch point for Thousand Islands sightseeing in the central archipelago, with the cruise corridor running east along the St. Lawrence toward Boldt Castle on Heart Island in U.S. waters near Alexandria Bay, NY.

From the marina, recreational power boating reaches the Admiralty Islands and Lake Fleet Islands clusters of Thousand Islands National Park.

Sailing & Boating in Gananoque
01 — What to know

The brief.

The marina is open seasonally for cruise, charter, and recreational boat traffic; July and August are the peak months. The 5-hour Boldt Castle stopover cruises from Gananoque dock at Heart Island for self-guided castle tours — Heart Island is U.S. territory, so passengers stopping at Boldt Castle require a valid passport or NEXUS card and clear U.S.

Customs and Border Protection on the cruise. Recreational boaters heading into Thousand Islands National Park island clusters can reach the central Admiralty Islands and western Lake Fleet Islands directly from the Gananoque Municipal Marina, per Parks Canada's mainland-access framing.

02 — Locations

2. places.

  1. 01

    Gananoque Municipal Marina

    21 Bay Road; primary Canadian-side launch for Thousand Islands sightseeing and recreational power boating into TINP central island clusters.

  2. 02

    Thousand Islands sightseeing corridor / Boldt Castle (Heart Island)

    St. Lawrence cruise corridor from Gananoque east toward Alexandria Bay, NY; Boldt Castle on Heart Island in U.S. waters.

03 — Conditions

Today's read.

Air Quality
19
eu-aqi · low
UV Index
0.9
scale 0–11
Humidity
67%
relative
Visibility
26.5 km
clear
Temp
+3.8°
H 12° · L 1°
Sun
05:40 / 20:21
14h 41m daylight
C
Marginal conditions for sailing & boating

Temperature (3.8°C) below the typical range.