CC Madhya 15.175

ananta aiśvarya kṛṣṇera vaikuṇṭhādi-dhāma
tāra gaḍa-khāi — kāraṇābdhi yāra nāma
Word for word: 
ananta — unlimited; aiśvarya — opulence; kṛṣṇera — of Lord Kṛṣṇa; vaikuṇṭha-ādi-dhāma — innumerable Vaikuṇṭha planets; tāra — of Vaikuṇṭhaloka; gaḍa-khāi — surrounding water; kāraṇa-abdhi — Causal Ocean; yāra — of which; nāma — name.
Translation: 
“The entire spiritual world constitutes the unlimited opulence of Kṛṣṇa, and there are innumerable Vaikuṇṭha planets there. The Causal Ocean is considered the surrounding waters of Vaikuṇṭhaloka.