diff --git a/CHANGELOG.md b/CHANGELOG.md
index 283e9e8fa..6442b9c57 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file. From versio
 
 ## Unreleased
 
+### Added
+
+- Log the actual host and port of listener database connection by @mkleczek in #4617
+
 ## [14.8] - 2026-04-03
 
 ### Added
diff --git a/src/PostgREST/Listener.hs b/src/PostgREST/Listener.hs
index a5d12aa1a..2872cdc1d 100644
--- a/src/PostgREST/Listener.hs
+++ b/src/PostgREST/Listener.hs
@@ -17,8 +17,11 @@ import           PostgREST.Version     (prettyVersion)
 import qualified PostgREST.AppState as AppState
 import qualified PostgREST.Config   as Config
 
-import Data.Either.Combinators (whenRight)
-import Protolude
+import           Control.Arrow             ((&&&))
+import           Data.Bitraversable        (bisequence)
+import           Data.Either.Combinators   (whenRight)
+import qualified Database.PostgreSQL.LibPQ as LibPQ
+import           Protolude
 
 -- | Starts the Listener in a thread
 runListener :: AppState -> IO ()
@@ -72,8 +75,8 @@ retryingListen appState = do
             -- reset the delay
             AppState.putNextListenerDelay appState 1
 
-          observer $ DBListenStart dbChannel
-
+          (pqHost, pqPort) <- SQL.withLibPQConnection db $ bisequence . (LibPQ.host &&& LibPQ.port)
+          observer $ DBListenStart pqHost pqPort dbChannel
           -- wait for notifications
           -- this will never return, in case of an error it will throw and be caught by onError
           forever $ SQL.waitForNotifications handleNotification db
diff --git a/src/PostgREST/Observation.hs b/src/PostgREST/Observation.hs
index 8c033f176..1169897d6 100644
--- a/src/PostgREST/Observation.hs
+++ b/src/PostgREST/Observation.hs
@@ -45,7 +45,7 @@ data Observation
   | SchemaCacheSummaryObs Text
   | SchemaCacheLoadedObs Double
   | ConnectionRetryObs Int
-  | DBListenStart Text
+  | DBListenStart (Maybe ByteString) (Maybe ByteString) Text -- host, port, channel
   | DBListenFail Text (Either SQL.ConnectionError SomeException)
   | DBListenRetry Int
   | DBListenBugHint -- https://github.com/PostgREST/postgrest/issues/3147
@@ -114,8 +114,8 @@ observationMessage = \case
     "Attempting to reconnect to the database in " <> (show delay::Text) <> " seconds..."
   QueryPgVersionError usageErr ->
     "Failed to query the PostgreSQL version. " <> jsonMessage usageErr
-  DBListenStart channel -> do
-    "Listening for database notifications on the " <> show channel <> " channel"
+  DBListenStart host port channel -> do
+    "Listener connected to " <> show (fold $ host <> fmap (":" <>) port) <> " and listening for database notifications on the " <> show channel <> " channel"
   DBListenFail channel listenErr ->
     "Failed listening for database notifications on the " <> show channel <> " channel. " <>
       either showListenerConnError showListenerException listenErr
diff --git a/test/io/test_io.py b/test/io/test_io.py
index 1a2327df5..641476283 100644
--- a/test/io/test_io.py
+++ b/test/io/test_io.py
@@ -1658,6 +1658,23 @@ def test_log_listener_connection_errors(defaultenv):
         )
 
 
+def test_log_listener_connection_start(defaultenv):
+    "The logs should show the listener connection start message in a single line"
+
+    env = {
+        **defaultenv,
+        "PGRST_DB_CHANNEL_ENABLED": "true",
+    }
+
+    with run(env=env, no_startup_stdout=False, wait_for_readiness=True) as postgrest:
+        output = postgrest.read_stdout(nlines=5)
+        assert any(
+            f'Listener connected to "{defaultenv["PGHOST"]}:5432" and listening for database notifications on the "pgrst" channel'
+            in line
+            for line in output
+        )
+
+
 def test_db_pre_config_with_pg_reserved_words(defaultenv):
     "The db-pre-config should not fail unexpectedly when function name is a postgres reserved word"
 
diff --git a/test/observability/ObsHelper.hs b/test/observability/ObsHelper.hs
index d53cc81d8..e1ff88bc0 100644
--- a/test/observability/ObsHelper.hs
+++ b/test/observability/ObsHelper.hs
@@ -206,5 +206,5 @@ waitForObs (ObsChan orig copy) t msg f =
 obsDiagMessage :: Observation -> Text
 obsDiagMessage = \case
   (HasqlPoolObs o) -> show o
-  o@(DBListenStart channel) -> constrName o <> show channel
+  o@(DBListenStart host port channel) -> constrName o <> show (host, port, channel)
   o -> constrName o